Areas of expertise

• Isotope Geochemistry 040203
• Geochronology 040303
• Stratigraphy (Incl. Biostratigraphy And Sequence Stratigraphy) 040311
• Igneous And Metamorphic Petrology 040304
• Geochemistry 0402
• Geology 0403
• Archaeological Science 210102

Publications

• Olierook, H, Mervine, E, Armstrong, R et al. 2022, 'Uncovering the Leichhardt Superbasin and Kalkadoon-Leichhardt Complex in the southern Mount Isa Terrane, Australia', Precambrian Research, vol. 375, p. 23.
• Ariel Battisti, M, Bitencourt, M, Schmitt, R et al. 2022, 'Reconstruction of a volcano-sedimentary environment shared by the Porongos and Várzea do Capivarita complexes at 790 Ma, Dom Feliciano Belt, southern Brazil', Precambrian Research, vol. 378.
• Macey, P, Thomas, R, Kisters, A et al. 2022, 'A continental back-arc setting for the Namaqua belt: Evidence from the Kakamas Domain', Geoscience Frontiers, vol. 13, no. 4.
• Gon�alves Martins, G, Mendes, J, Schmitt, R et al. 2022, 'Long-term magmatism in the Ribeira Orogen, Western Gondwana: SHRIMP U-Pb and O isotope data for two Ediacaran-Cambrian magmatic events in the Rio de Janeiro area', Precambrian Research, vol. 383.
• Buenano Macambira, M, Lacerda Vasquez, M, Conduru Monteiro, P et al. 2022, 'Neoarchean to Rhyacian crustal records along the Middle Xingu River area, Amazonian craton', Brazilian Journal of Geology, vol. 52, no. 4.
• Mukhopadhyay, J, Armstrong, R, Gutzmer, J et al. 2021, 'Stratigraphy, depositional setting, and shrimp u-pb geochronology of the banded iron formation–bearing bailadila group in the bacheli iron ore mining district, bastar craton, india', Journal of Geology, vol. 129, no. 1, pp. 115-130.
• Shewan, L, O'Reilly, D, Armstrong, R et al. 2021, 'Dating the megalithic culture of laos: Radiocarbon, optically stimulated luminescence and U/Pb zircon results', PLOS ONE (Public Library of Science), vol. 16, no. 3, pp. 1-31.
• Martins, G, Mendes, J, Schmitt, R et al. 2021, 'Unravelling source and tectonic environment of an Ediacaran magmatic province from southeast Brazil: Insights from geochemistry and isotopic investigation', Lithos, vol. 404-405.
• Bell-Tilcock, M, Jeffres, C, Rypel, A et al. 2021, 'Biogeochemical processes create distinct isotopic fingerprints to track floodplain rearing of juvenile salmon', PLOS ONE (Public Library of Science), vol. 16, no. 10, pp. 1-23.
• Silva, F, Guimaraes, I, Armstrong, R et al. 2021, 'A major neoproterozoic crustal boundary in the Borborema province of ne Brazil', International Geology Review, vol. ONLINE, pp. 1-27.
• Reid, A, Pawley, M, Wade, C et al 2020, 'Resolving tectonic settings of ancient magmatic suites using structural, geochemical and isotopic constraints: the example of the St Peter Suite, southern Australia', Australian Journal of Earth Sciences, vol. 67, no. 1, pp. 31-58.
• Shewan, L, Ikehara-Quebral, R, Stark, M et al. 2020, 'Resource utilisation and regional interaction in protohistoric Cambodia - The evidence from Angkor Borei', Journal of Archaeological Science: Reports, vol. 31, pp. 1-12.
• Shewan, L, Armstrong, R & O'Reilly, D 2020, 'Baseline bioavailable strontium isotope values for the investigation of residential mobility and resource-acquisition strategies in prehistoric Cambodia', Archaeometry, vol. online.
• Poprawa, P, Krzeminska, E, Paczesna, J et al. 2020, 'Geochronology of the Volyn volcanic complex at the western slope of the East European Craton - Relevance to the Neoproterozoic rifting and the break-up of Rodinia/Pannotia', Precambrian Research, vol. 346, pp. 1-21.
• Shewan, L, Armstrong, R, O'Reilly, D et al. 2020, 'Isotopic insights into the jar-and-coffin mortuary ritual of the Cardamom Mountains, Cambodia', Antiquity, vol. 94, no. 378, pp. 1575-1591.
• Moffat, I, Rudd, R, Willmes, M et al. 2020, 'Bioavailable soil and rock strontium isotope data from Israel', Earth System Science Data, vol. 12, no. 4, pp. 3641-3652.
• Breitfeld, H, Davies, L, Hall, R et al. 2020, 'Mesozoic Paleo-Pacific Subduction Beneath SW Borneo: U-Pb Geochronology of the Schwaner Granitoids and the Pinoh Metamorphic Group', Frontiers in Earth Science, vol. 8, pp. 1-37.
• Van Niekerk, H, Armstrong, R & Vasconcelos, P 2020, 'The Grenvillian assembly of Rodinia: Timing of accretion on the western margin of the Kalahari (Kaapvaal) Craton', South African Journal of Geology, vol. 123, no. 4, pp. 441-464.
• Hokada, T, Grantham, G, Arima, M et al. 2019, 'Stenian A-type granitoids in the Namaqua-Natal Belt, southern Africa, Maud Belt, Antarctica and Nampula Terrane, Mozambique: Rodinia and Gondwana amalgamation implications', Geoscience Frontiers, vol. 10, no. 6, pp. 2265-2280.
• Mapeo, R, Wendorff, M, Ramokate, L et al 2019, 'Zircon geochronology of basement granitoid gneisses and sedimentary rocks of the Tsodilo Hills Group in the Pan-African Damara Belt, western Botswana: age constraints, provenance, and tectonic significance', Journal of African Earth Sciences, vol. 159, no. 103576, pp. 1-25.
• Trumbull, R, Sudo, M, Harris, C et al 2019, 'The age of the Koegel Fontein anorogenic complex, South Africa, and its relationship to the regional timing of magmatism and breakup along the South Atlantic rifted margin', South African Journal of Geology, vol. 122, no. 1, pp. 69-78.
• James, H, Willmes, M, Courtaud, P et al. 2019, 'Who's been using my burial mound? Radiocarbon dating and isotopic tracing of human diet and mobility at the collective burial site, Le Tumulus des Sables, southwest France', Journal of Archaeological Science: Reports, vol. 24, pp. 955-966.
• Willmes, M, Lewis, L, Davis, B et al. 2019, 'Calibrating temperature reconstructions from fish otolith oxygen isotope analysis for California's critically endangered Delta Smelt', Rapid Communications in Mass Spectrometry, vol. 33, no. 14, pp. 1207-1220.
• Pownall, J, Armstrong, R, Williams, I et al. 2018, 'Miocene UHT granulites from Seram, eastern Indonesia: a geochronological–REE study of zircon, monazite and garnet', Geological Society of London Special Publication, vol. 478, pp. 167-196.
• Willmes, M, Bataille, C, James, H et al. 2018, 'Mapping of bioavailable strontium isotope ratios in France for archaeological provenance studies', Applied Geochemistry, vol. 90, pp. 75-86.
• Cross, A, Purdy, D, Champion, D et al 2018, 'Insights into the evolution of the Thomson Orogen from geochronology, geochemistry, and zircon isotopic studies of magmatic rocks', Australian Journal of Earth Sciences, vol. 65, no. 7-8, pp. 987-1008.
• Longridge, L, Kinnaird, J, Gibson, R et al 2018, 'Crustal recycling in the Damara Belt, Namibia, and interaction of the Congo and Kalahari Cratons - Evidence from zircon U-Pb, Hf and O isotopes', South African Journal of Geology, vol. 121, no. 3, pp. 237-252.
• Waltenberg, K, Bodorkos, S, Armstrong, R et al. 2018, 'Mid- to lower-crustal architecture of the northern Lachlan and southern Thomson orogens: evidence from O-Hf isotopes', Australian Journal of Earth Sciences, vol. 65, no. 7-8, pp. 1009ââ‰1034.
• McCarthy, T, Corner, B, Lombard, H et al 2018, 'The pre-Karoo geology of the southern portion of the Kaapvaal Craton, South Africa', South African Journal of Geology, vol. 121, no. 1, pp. 1-22.
• Gallagher, S, Camacho, A, Fayek, M et al 2017, 'Geology, geochemistry, and geochronology of the East Bay gold trend, Red Lake, Ontario, Canada', Mineralium Deposita, vol. Online, pp. 1-15pp..
• Sain, A, Saha, D, Joy, S et al 2017, 'New SHRIMP age and microstructures from a deformed A-type granite, Kanigiri, southern India: Constraining the hiatus between orogenic closure and postorogenic rifting', Journal of Geology, vol. 125, no. 2, pp. 241-259.
• Guimaraes, I, da Silva Filho, A & Armstrong, R 2017, 'Origin and age of coeval gabbros and leucogranites in the northern subprovince of the borborema province, NE Brazil', Journal of South American Earth Sciences, vol. 76, pp. 71-93.
• Longridge, L, Gibson, R, Kinnaird, J et al 2017, 'New constraints on the age and conditions of LPHT metamorphism in the southwestern Central Zone of the Damara Belt, Namibia and implications for tectonic setting', Lithos, vol. 278, pp. 361-382.
• White, L, Hall, R, Armstrong, R et al 2017, 'The geological history of the Latimojong region of western Sulawesi, Indonesia', Journal of Asian Earth Sciences, vol. 138, pp. 72-91.
• Pertille, J, Hartmann, L, Santos, J et al. 2017, 'Reconstructing the Cryogenian-Ediacaran evolution of the Porongos fold and thrust belt, Southern Brasiliano Orogen, based on Zircon U-Pb-Hf-O isotopes', International Geology Review, vol. 59, no. 12, pp. 1532-1560.
• Ganade de Araujo, C, Basei, M, Grandjean, F et al 2017, 'Contrasting Archaean (2.85-2.68 Ga) TTGs from the Tr?ia Massif (NE-Brazil) and their geodynamic implications for flat to steep subduction transition', Precambrian Research, vol. 297, pp. 1-18pp.
• de Sousa Gorayeb, P, Pimentel, M, Armstrong, R et al 2017, 'Granulite-facies metamorphism at ca. 570-580 Ma in the Porangatu Granulite Complex, central Brazil: Implications for the evolution of the Transbrasiliano Lineament', Brazilian Journal of Geology, vol. 47, no. 2, pp. 327-344.
• Pownall, J, Hall, R & Armstrong, R 2017, 'Hot lherzolite exhumation, UHT migmatite formation, and acid volcanism driven by Miocene rollback of the Banda Arc, eastern Indonesia', Gondwana Research, vol. 51, pp. 92-117pp.
• de Araujo Peixoto, C, Heilbron, M, Ragatky, D et al 2017, 'Tectonic evolution of the Juvenile Tonian Serra da Prata magmatic arc in the Ribeira belt, SE Brazil: Implications for early west Gondwana amalgamation', Precambrian Research, vol. 302, pp. 221-254.
• White, L, Graham, I, Tanner, D et al 2016, 'The provenance of Borneo's enigmatic alluvial diamonds: A case study from Cempaka, SE Kalimantan', Gondwana Research, vol. 38, no. -, pp. 251-272.
• Skirrow, R, Mercadier, J, Armstrong, R et al 2016, 'The Ranger uranium deposit, northern Australia: Timing constraints, regional and ore-related alteration, and genetic implications for unconformity-related mineralisation', Ore Geology Reviews, vol. 76, pp. 463-503pp.
• Sutherland, L, Graham, I, Yaxley, G et al 2016, 'Major zircon megacryst suites of the Indo-Pacific lithospheric margin (ZIP) and their petrogenetic and regional implications', Mineralogy and Petrology, vol. 110, no. 2-3, pp. 399-420.
• da Silva, L, Pedrosa-Soares, A, Armstrong, R et al 2016, 'Disclosing the Paleoarchean to Ediacaran history of the Sao Francisco craton basement: The Porteirinha domain (northern Aracuai orogen, Brazil)', Journal of South American Earth Sciences, vol. 68, pp. 50-67pp.
• da Silva Filho, A, Guimaraes, I, Santos, L et al 2016, 'Geochemistry, U-Pb geochronology, Sm-Nd and O isotopes of ca. 50 Ma long Ediacaran High-K Syn-Collisional Magmatism in the Pernambuco Alagoas Domain, Borborema Province, NE Brazil', Journal of South American Earth Sciences, vol. 68, pp. 134-154pp.
• Schroder, S, Beukes, N & Armstrong, R 2016, 'Detrital zircon constraints on the tectonostratigraphy of the Paleoproterozoic Pretoria Group, South Africa', Precambrian Research, vol. 278, pp. 362-393.
• Mendonidis, P & Armstrong, R 2016, 'U-Pb Zircon (SHRIMP) ages of granite sheets and timing of deformational events in the Natal Metamorphic Belt, southeastern Africa: Evidence for deformation partitioning and implications for Rodinia reconstructions', Precambrian Research, vol. 278, pp. 22-33.
• Piazolo, S, La Fontaine, A, Trimby, P et al. 2016, 'Deformation-induced trace element redistribution in zircon revealed using atom probe tomography', Nature Communications, vol. 7, no. 10490, pp. -.
• Willmes, M, Grun, R, Douka, K et al. 2016, 'A comprehensive chronology of the Neanderthal site Moula-Guercy, Ardche, France', Journal of Archaeological Science: Reports, vol. 9, pp. 309-319.
• Fenner, J, Gagan, M, Cowley, J et al 2016, 'Investigating the presence of foreigners and pig husbandry in ancient Bali: Stable isotopes in human and domestic animal tooth enamel', Journal of Archaeological Science: Reports, vol. 10, pp. 272-281.
• Schmitt, R, Trouw, R, Van Schmus, W et al 2016, 'The tectonic significance of the Cabo Frio Tectonic Domain in the SE Brazilian margin: A Paleoproterozoic through Cretaceous saga of a reworked continental margin', Brazilian Journal of Geology, vol. 46, pp. 37-66.
• Purdy, D, Cross, A, Brown, D et al 2016, 'New constraints on the origin and evolution of the Thomson Orogen and links with central Australia from isotopic studies of detrital zircons', Gondwana Research, vol. 39, pp. 41-56.
• Hennig, J, Hall, R & Armstrong, R 2016, 'U-Pb zircon geochronology of rocks from west Central Sulawesi, Indonesia: Extension-related metamorphism and magmatism during the early stages of mountain building', Gondwana Research, vol. 32, pp. 41-63.
• Lopes, C, Pimentel, M, Philipp, R et al 2015, 'Provenance of the passo feio complex, dom feliciano belt: Implications for the age of supracrustal rocks of the sao gabriel arc, southern brazil', Journal of South American Earth Sciences, vol. 58, pp. 9-17pp.
• Camacho, A, Armstrong, R, Davis, D et al 2015, 'Early history of the Amadeus Basin: Implications for the existence and geometry of the Centralian Superbasin', Precambrian Research, vol. 259, pp. 232-242.
• Giuliani, A, Phillips, D, Woodhead, J et al. 2015, 'Did diamond-bearing orangeites originate from MARID-veined peridotites in the lithospheric mantle?', Nature Communications, vol. 6, pp. 1-10pp.
• Klein, E, Lucas, F, Queiroz, J et al 2015, 'Metallogenesis of the Paleoproterozoic Piaba orogenic gold deposit, Sao Luis cratonic fragment, Brazil', Ore Geology Reviews, vol. 65, pp. 1-25.
• Santos, M, Chemale, F, Dussin, I et al 2015, 'Provenance and paleogeographic reconstruction of a mesoproterozoic intracratonic sag basin (Upper Espinhaco Basin, Brazil)', Sedimentary Geology, vol. 318, pp. 40-57.
• Downes, H, Carter, A, Armstrong, R et al 2015, 'Lower crustal zircons reveal Neogene metamorphism beneath the Pannonian Basin (Hungary)', Open Geosciences, vol. 7, no. 1, pp. 223-233.
• Joy, S, Jelsma, H, Tappe, S et al 2015, 'SHRIMP U-Pb zircon provenance of the Sullavai Group of Pranhita-Godavari Basin and Bairenkonda Quartzite of Cuddapah Basin, with implications for the Southern Indian Proterozoic tectonic architecture', Journal of Asian Earth Sciences, vol. 111, pp. 827-839.
• Mendonidis, P, Thomas, R, Grantham, G et al 2015, 'Geochronology of emplacement and charnockite formation of the Margate Granite Suite, Natal Metamorphic Province, South Africa: implications for Natal-Maud belt correlations', Precambrian Research, vol. 265, pp. 189-202.
• Pereira, M, Chichorro, M, Moita, P et al 2015, 'The multistage crystallization of zircon in calc-alkaline granitoids: U-Pb age constraints on the timing of Variscan tectonic activity in SW Iberia', International Journal of Earth Sciences (Geologische Rundschau), vol. 104, no. 5, pp. 1167-1183.
• Ferreira, V, Sial, A, Pimentel, M et al 2015, 'Reworked old crust-derived shoshonitic magma: The Guarany pluton, Northeastern Brazil', Lithos, vol. 232, pp. 150-161.
• Pereira, M, El Houicha, M, Chichorro, M et al 2015, 'Evidence of a Paleoproterozoic basement in the Moroccan Variscan Belt (Rehamna Massif, Western Meseta)', Precambrian Research, vol. 268, no. 2015, pp. 61-73.
• Forster, M, Armstrong, R, Kohn, B et al 2015, 'Highly retentive core domains in K-feldspar and their implications for Ar-40/Ar-39 thermochronology illustrated by determining the cooling curve for the Capoas Granite, Palawan, The Philippines', Australian Journal of Earth Sciences, vol. 62, no. 7, pp. 883-902.
• Baquero, M, Grande, S, Urbani, F et al 2015, 'New Evidence for Putumayo Crust in the Basement of the Falcon Basin and Guajira Peninsula, Northwestern Venezuela', in Claudio Bartolini and Paul Mann (ed.), Petroleum geology and potential of the Colombian Caribbean Margin: AAPG Memoir 108, AAPG, USA, pp. 103-136.
• Fenner, J, Clark, G, Valentin, F et al 2015, 'Isotopic uniformity and segregation in Tongan mounds', Journal of Archaeological Science: Reports, vol. 2, no. 2015, pp. 644-653.
• da Silva Filho, A, Guimaraes, I, Van Schmus, W et al 2014, 'SHRIMP U-Pb zircon geochronology and Nd signatures of supracrustal sequences and orthogneisses constrain the Neoproterozoic evolution of the Pernambuco-Alagoas domain, southern part of Borborema Province, NE Brazil', International Journal of Earth Sciences (Geologische Rundschau), vol. 103, no. 8, pp. 2155-2190.
• Armstrong, R, Guimaraes, I, Silva, E et al 2014, 'Evidences of Rhyacian extensional event in the Central Domain of the Borborema Province, NE Brazil', Comunicacoes Geologicas, vol. 101, pp. 265-267.
• Suggate, S, Cottam, M, Hall, R et al 2014, 'South China continental margin signature for sandstones and granites from Palawan, Philippines', Gondwana Research, vol. 26, no. 2, pp. 699-718.
• Hollis, J, Carson, C, Glass, L et al 2014, 'Detrital zircon U-Pb-Hf and O isotope character of the Cahill Formation and Nourlangie Schist, Pine Creek Orogen: Implications for the tectonic correlation and evolution of the North Australian Craton', Precambrian Research, vol. 246, pp. 35-53.
• Hollis, J, Van Kranendonk, M, Cross, A et al 2014, 'Low δ¹⁸O zircon grains in the Neoarchean Rum Jungle Complex, northern Australia: An indicator of emergent continental crust', Lithosphere, vol. 6, no. 1, pp. 17-25.
• de Araujo, C, Cordani, U, Weinberg, R et al 2014, 'Tracing Neoproterozoic subduction in the Borborema Province (NE-Brazil): Clues from U-Pb geochronology and Sr-Nd-Hf-O isotopes on granitoids and migmatites', Lithos, vol. 202, pp. 167-189.
• de Lena, L, Pimentel, M, Philipp, R et al 2014, 'The evolution of the Neoproterozoic São Gabriel juvenile terrane, southern Brazil based on high spatial resolution U-Pb ages and δ18O data from detrital zircons', Precambrian Research, vol. 247, pp. 126-138.
• Vennari, V, Lescano, M, Naipauer, M et al 2014, 'New constraints on the Jurassic-Cretaceous boundary in the High Andes using high-precision U-Pb data', Gondwana Research, vol. 26, no. 1, pp. 374-385.
• Giuliani, A, Phillips, D, Maas, R et al 2014, 'LIMA U-Pb ages link lithospheric mantle metasomatism to Karoo magmatism beneath the Kimberley region, South Africa', Earth and Planetary Science Letters, vol. 401, pp. 132-147.
• Ireland, T, Schram, N, Holden, P et al. 2014, 'Charge-mode electrometer measurements of S-isotopic compositions on SHRIMP-SI', International Journal of Mass Spectrometry, vol. 359, no. 1, pp. 26-37.
• Fuck, R, Dantas, E, Pimentel, M et al 2014, 'Paleoproterozoic crust-formation and reworking events in the Tocantins Province, central Brazil: A contribution for Atlantica supercontinent reconstruction', Precambrian Research, vol. 244, no. 1, pp. 53-74.
• Pownall, J, Hall, R, Armstrong, R et al 2014, 'Earth's youngest known ultrahigh-temperature granulites discovered on Seram, eastern Indonesia', Geology, vol. 42, no. 4, pp. 279-282.
• Symington, N, Weinberg, R, Hasalova, P et al 2014, 'Multiple intrusions and remelting-remobilization events in a magmatic arc: The St. Peter Suite, South Australia', Geological Society of America Bulletin, vol. 126, no. 9-10, pp. 1200-1218.
• Ottone, E, Monti, M, Marsicano, C et al 2014, 'A new Late Triassic age for the Puesto Viejo Group (San Rafael depocenter, Argentina): SHRIMP U-Pb zircon dating and biostratigraphic correlations across southern Gondwana', Journal of South American Earth Sciences, vol. 56, pp. 186-199.
• White, L, Hall, R & Armstrong, R 2014, 'The age of undeformed dacite intrusions within the Kolaka Fault zone, SE Sulawesi, Indonesia', Journal of Asian Earth Sciences, vol. 94, pp. 105-112.
• Cho, D, Lee, S, Koh, H et al 2014, 'Late Ordovician volcanism in Korea constrains the timing for breakup of Sino-Korean Craton from Gondwana', Journal of Asian Earth Sciences, vol. 96, pp. 279-286.
• Longridge, L, Kinnaird, J, Gibson, R et al 2014, 'Amphibolites of the central zone: New shrimp U-Pb ages and implications for the evolution of the Damara Orogen, Namibia', South African Journal of Geology, vol. 117, no. 1, pp. 67-86.
• Willmes, M, McMorrow, L, Kinsley, L et al 2014, 'The IRHUM (Isotopic Reconstruction of Human Migration) database - Bioavailable strontium isotope ratios for geochemical fingerprinting in France', Earth System Science Data, vol. 6, no. 1, pp. 117-122.
• De Wit, M & Armstrong, R 2014, 'Ode to Field Geology of Williams: Fleur de Lys nectar still fermenting on Belle Isle', Geoscience Canada, vol. 41, pp. 118-137.
• Romano, R, Lana, C, Alkmim, F et al 2013, 'Stabilization of the southern portion of the São Francisco craton, SE Brazil, through a long-lived period of potassic magmatism', Precambrian Research, vol. 224, pp. 143-159.
• dos Santos, E, Neto, J, Carmona, L et al 2013, 'The metacarbonate rocks of Itatuba (Paraíba): A record of sedimentary recycling in a Paleoproterozoic collision zone of the Borborema province, NE Brazil', Precambrian Research, vol. 224, pp. 454-471.
• Rajesh, H, Chisonga, B, Shindo, K et al 2013, 'Petrographic, geochemical and SHRIMP U-Pb titanite age characterization of the Thabazimbi mafic sills: Extended time frame and a unifying petrogenetic model for the Bushveld Large Igneous Province', Precambrian Research, vol. 230, pp. 79-102.
• Macey, P, Miller, J, Rowe, C et al 2013, 'Geology of the Monapo Klippe, NE Mozambique and its significance for assembly of central Gondwana', Precambrian Research, vol. 233, pp. 259-281.
• Lana, C, Alkmim, F, Armstrong, R et al 2013, 'The ancestry and magmatic evolution of Archaean TTG rocks of the Quadrilatero Ferrifero province, southeast Brazil', Precambrian Research, vol. 231, pp. 157-173.
• da Silva Filho, A, Guimaraes, I, Van Schmus, W et al. 2013, 'Long-lived Neoproterozoic high-K magmatism in the Pernambuco-Alagoas Domain, Borborema Province, northeast Brazil', International Geology Review, vol. 55, no. 10, pp. 1280-1299.
• McCourt, S, Armstrong, R, Jelsma, H et al 2013, 'New U-Pb SHRIMP ages from the Lubango region, SW Angola: Insights into the Palaeoproterozoic evolution of the Angolan Shield, southern Congo Craton, Africa', Journal of the Geological Society, vol. 170, no. 2, pp. 353-363.
• Xue, Y, Campbell, I, Ireland, T et al 2013, 'No mass-independent sulfur isotope fractionation in auriferous fluids supports a magmatic origin for Archean gold deposits', Geology, vol. 41, no. 7, pp. 791-794.
• Heilbron, M, Tupinamba, M, de Morisson Valeriano, C et al 2013, 'The Serra da Bolivia complex: The record of a new Neoproterozoic arc-related unit at Ribeira belt', Precambrian Research, vol. 238, pp. 158-175.
• Santos, M, Chemale, F, Dussin, I et al 2013, 'Sedimentological and paleoenvironmental constraints of the Statherian and Stenian Espinhaco rift system, Brazil', Sedimentary Geology, vol. 290, pp. 47-59.
• Bicca, M, Chemale, F, Jelinek, A et al 2013, 'Tectonic evolution and provenance of the Santa Bárbara Group, Camaquã Mines region, Rio Grande do Sul, Brazil', Journal of South American Earth Sciences, vol. 48, pp. 173-192.
• Schmitt, R, Trouw, R, Passchier, C et al 2012, '530 Ma syntectonic syenites and granites in NW Namibia - Their relation with collision along the junction of the Damara and Kaoko belts', Gondwana Research, vol. 21, no. 2-3, pp. 362-377.
• Rodrigues, J, Pimentel, M, Buhn, B et al 2012, 'Provenance of the Vazante Group: New U-Pb, Sm-Nd, Lu-Hf isotopic data and implications for the tectonic evolution of the Neoproterozoic Brasilia Belt', Gondwana Research, vol. 21, no. 2-3, pp. 439-450.
• Guimaraes, I, Van Schmus, W, de Brito Neves, B et al 2012, 'U-Pb zircon ages of orthogneisses and supracrustal rocks of the Cariris Velhos belt: Onset of Neoproterozoic rifting in the Borborema Province, NE Brazil', Precambrian Research, vol. 192-95, no. 1, pp. 52-77.
• Chemale, F, Dussin, I, Alkmim, F et al 2012, 'Unravelling a Proterozoic basin history through detrital zircon geochronology: The case of the Espinhaco Supergroup, Minas Gerais, Brazil', Gondwana Research, vol. 22, no. 1, pp. 200-206.
• de Kock, M, Beukes, N & Armstrong, R 2012, 'New SHRIMP U-Pb zircon ages from the Hartswater group, South Africa: Implications for correlations of the Neoarchean Ventersdorp Supergroup on the Kaapvaal craton and with the Fortescue Group on the Pilbara craton', Precambrian Research, vol. 204, pp. 66-74.
• Beavan, N, Halcrow, S, McFadgen, B et al. 2012, 'Radiocarbon dates from jar and coffin burials of the Cardamom Mountains reveal a unique mortuary ritual in Cambodia's late- to post-Angkor period (15th-17th centuries AD)', Radiocarbon, vol. 54, no. 1, pp. 1-22.
• Camacho, A, Lee, J, Fitzgerald, J et al. 2012, 'Planar defects as Ar traps in trioctahedral micas: A mechanism for increased Ar retentivity in phlogopite', Earth and Planetary Science Letters, vol. 341, pp. 255-267.
• Roberts, E, Stevens, N, O'Connor, P et al 2012, 'Initiation of the western branch of the East African Rift coeval with the eastern branch', Nature Geoscience, vol. 5, no. 4, pp. 289-294.
• Orejana, D, Villaseca, C, Valverde-Vaquero, P et al 2012, 'U-Pb geochronology and zircon composition of late Variscan S- and I-type granitoids from the Spanish Central System batholith', International Journal of Earth Sciences (Geologische Rundschau), vol. 101, no. 7, pp. 1789-1815.
• Moore, J, Polteau, S, Armstrong, R et al 2012, 'The age and correlation of the Postmasburg Group, southern Africa: Constraints from detrital zircon grains', Journal of African Earth Sciences, vol. 64, pp. 9-19.
• Sanchez-Garrido, C, Stevens, G, Armstrong, R et al 2011, 'Diversity in Earth's early felsic crust: Paleoarchean peraluminous granites of the Barberton Greenstone Belt', Geology, vol. 39, no. 10, pp. 963-966.
• Longridge, L, Gibson, R, Kinnaird, J et al 2011, 'Constraining the timing of deformation in the southwestern central zone of the Damara Belt, Namibia', Geological Society of London Special Publication, vol. 357, no. 1, pp. 107-135.
• Rigby, M & Armstrong, R 2011, 'SHRIMP dating of titanite from metasyenites in the Central Zone of the Limpopo Belt, South Africa', Journal of African Earth Sciences, vol. 59, no. 1, pp. 149-154.
• Oliveira, E, McNaughton, N & Armstrong, R 2011, 'Mesoarchaean to Palaeoproterozoic growth of the northern segment of the Itabuna-Salvador-Curaca orogen, Sao Francisco craton, Brazil', Geological Society of London Special Publication, vol. 338, pp. 263-286.
• de Hollanda, M, Archanjo, C, Souza, L et al 2011, 'Long-lived Paleoproterozoic granitic magmatism in the Seridó-Jaguaribe domain, Borborema Province-NE Brazil', Journal of South American Earth Sciences, vol. 32, no. 4, pp. 287-300.
• Bailie, R, Gutzmer, J, Rajesh, H et al 2011, 'Age of ferroan A-type post-tectonic granitoids of the southern part of the Keimoes Suite, Northern Cape Province, South Africa', Journal of African Earth Sciences, vol. 60, no. 3, pp. 153-174.
• Guimaraes, I, da Silva Filho, A, Almeida, C et al 2011, 'U-Pb SHRIMP data constraints on calc-alkaline granitoids with 1.3-1.6 Ga Nd T-DM model ages from the central domain of the Borborema province, NE Brazil', Journal of South American Earth Sciences, vol. 31, no. 4, pp. 383-396.
• Pimentel, M, Rodrigues, J, DellaGiustina, M et al 2011, 'The tectonic evolution of the Neoproterozoic Brasília Belt, central Brazil, based on SHRIMP and LA-ICPMS U-Pb sedimentary provenance data: A review', Journal of South American Earth Sciences, vol. 31, no. 4, pp. 345-357.
• Restrepo, J, Ordonez-Carmona, O, Armstrong, R et al 2011, 'Triassic metamorphism in the northern part of the Tahami Terrane of the central cordillera of Colombia', Journal of South American Earth Sciences, vol. 32, no. 4, pp. 497-507.
• Schneiderhan, E, Zimmermann, U, Gutzmer, J et al 2011, 'Sedimentary provenance of the Neoarchean Ventersdorp Supergroup, southern Africa: Shedding light on the evolution of the Kaapvaal craton during the Neoarchean', Journal of Geology, vol. 119, no. 6, pp. 575-596.
• Cross, A, Jaireth, S, Rapp, R et al 2011, 'Reconnaissance-style EPMA chemical U-Th-Pb dating of uraninite', Australian Journal of Earth Sciences, vol. 58, no. 6, pp. 675-683.
• De Waele, B, Thomas, R, Macey, P et al 2011, 'Provenance and tectonic significance of the Palaeoproterozoic metasedimentary successions of central and northern Madagascar', Precambrian Research, vol. 189, no. 1-2, pp. 18-42.
• Luft, J, Chemale, F & Armstrong, R 2011, 'Evidence of 1.7- to 1.8-Ga Collisional Arc in the Kaoko Belt, NW Namibia', International Journal of Earth Sciences (Geologische Rundschau), vol. 100, no. 2-3, pp. 305-321.
• Uriz, N, Cingolani, C, Chemale, F et al 2011, 'Isotopic studies on detrital zircons of Silurian-Devonian siliciclastic sequences from Argentinean North Patagonia and Sierra de la Ventana regions: comparative provenance', International Journal of Earth Sciences (Geologische Rundschau), vol. 100, no. 2-3, pp. 571-589.
• Orejana, D, Villaseca, C, Armstrong, R et al 2011, 'Geochronology and trace element chemistry of zircon and garnet from granulite xenoliths: Constraints on the tectonothermal evolution of the lower crust under central Spain', Lithos, vol. 124, no. 1-2, pp. 103-116.
• Villaseca, C, Orejana, D, Belousova, E et al 2011, 'U-Pb isotopic ages and Hf isotope composition of zircons in Variscan gabbros from central Spain: evidence of variable crustal contamination', Mineralogy and Petrology, vol. 101, no. 3-4, pp. 151-167.
• de Kock, G, Armstrong, R, Siegfried, H et al 2011, 'Geochronology of the Birim Supergroup of the West African craton in the Wa-Bole region of west-central Ghana: Implications for the stratigraphic framework', Journal of African Earth Sciences, vol. 59, no. 1, pp. 1-40.
• Ferreira, V, Sial, A, Pimentel, M et al 2011, 'Contrasting sources and P-T crystallization conditions of epidote-bearing granitic rocks, northeastern Brazil: O, Sr, and Nd isotopes', Lithos, vol. 121, no. 1-4, pp. 189-201.
• Tucker, R, Roig, J, Macey, P et al 2011, 'A new geological framework for south-central Madagascar, and its relevance to the "out-of-Africa" hypothesis', Precambrian Research, vol. 185, no. 3-4, pp. 109 - 130.
• Grantham, G, Manhica, A, Armstrong, R et al 2011, 'New SHRIMP, Rb/Sr and Sm/Nd isotope and whole rock chemical data from central Mozambique and western Dronning Maud Land, Antarctica: Implications for the nature of the eastern margin of the Kalahari Craton and the amalgamation of Gondwana', Journal of African Earth Sciences, vol. 59, no. 1, pp. 74-100.
• Macey, P, Thomas, R, Grantham, G et al 2010, 'Mesoproterozoic geology of the Nampula Block, northern Mozambique: Tracing fragments of Mesoproterozoic crust in the heart of Gondwana', Precambrian Research, vol. 182, no. 1-2, pp. 124-148.
• Taylor, J, Stevens, G, Armstrong, R et al 2010, 'Granulite facies anatexis in the Ancient Gneiss Complex, Swaziland, at 2.73 Ga: Mid-crustal metamorphic evidence for mantle heating of the Kaapvaal craton during Ventersdorp magmatism', Precambrian Research, vol. 177, no. 1-2, pp. 88-102.
• Armstrong, R, Eglington, B & Thomas, R 2010, 'U-PB SHRIMP zircon dating of Mesoproterozoic Magmatic rocks from the Scottburgh area, Central Mzumbe Terrane, Kwazulu-Natal, South Africa', South African Journal of Geology, vol. 113, no. 2, pp. 229-235.
• Pati, J, Jourdan, F, Armstrong, R et al 2010, 'First SHRIMP U-Pb and ⁴⁰Ar/³⁹Ar chronological results from impact melt breccia from the Paleoproterozoic Dhala impact structure, India', Geological Society of America. Special Papers, vol. Issue 465, pp. 571-591.
• de Hollanda, M, Mejia, C, Archanjo, C et al 2009, 'Geology and chemical characterization of the ultrapotassic peralkaline magmatism of the Manara-Princesa Isabel dike swarm, Borborema Provine [Geologia e caracterizao qumica do magmatismo peralcalino ultrapotssico do enxame de diques Manara-Princesa', Geologia USP Serie Cientifica, vol. 9, no. 3, pp. 13-46.
• Machowiak, K, Armstrong, R, Kryza, R et al 2008, 'Late- orogenic magmatism in the Central European Variscides: SHRIMP U-Pb zircon age constraints from the zelezniak intrusion, Kaczawa Mountains, West Sudetes', Geologia Sudetica, vol. 40, pp. 1-18.
• Roberts, E, O'Connor, P, Stevens, N et al 2010, 'Sedimentology and depositional environments of the Red Sandstone Group, Rukwa Rift Basin, southwestern Tanzania: New insight into Cretaceous and Paleogene terrestrial ecosystems and tectonics in sub-equatorial Africa', Journal of African Earth Sciences, vol. 57, no. 3, pp. 179-212.
• Pereira, M, Apraiz, A, Chichorro, M et al 2010, 'Exhumation of high-pressure rocks in northern Gondwana during the Early Carboniferous (Coimbra-Cordoba shear zone, SW Iberian Massif): Tectonothermal analysis and U-Th-Pb SHRIMP in-situ zircon geochronology', Gondwana Research, vol. 17, no. 2-3, pp. 440-460.
• da Silva Filho, A, Guimaraes, I, Ferreira, V et al 2010, 'Ediacaran Aguas Belas pluton, Northeastern Brazil: Evidence on age, emplacement and magma sources during Gondwana amalgamation', Gondwana Research, vol. 17, no. 4, pp. 676-687.
• van Dongen, M, Weinberg, R, Tomkins, A et al 2010, 'Recycling of Proterozoic crust in Pleistocene juvenile magma and rapid formation of the Ok Tedi porphyry Cu-Au deposit, Papua New Guinea', Lithos, vol. 114, no. 3-4, pp. 282-292.
• de Hollanda, M, Archanjo, C, Souza, L et al 2010, 'Cambrian mafic to felsic magmatism and its connections with transcurrent shear zones of the Borborema Province (NE Brazil): Implications for the late assembly of the West Gondwana', Precambrian Research, vol. 178, no. 1-4, pp. 1-14.
• Rodrigues, J, Pimentel, M, Dardenne, M et al 2010, 'Age, provenance and tectonic setting of the Canastra and Ibia Groups (Brasilia Belt, Brazil): Implications for the age of a Neoproterozoic glacial event in central Brazil', Journal of South American Earth Sciences, vol. 29, no. 2, pp. 512-521.
• Cottam, M, Hall, R, Sperber, C et al 2010, 'Pulsed emplacement of the Mount Kinabalu granite, northern Borneo', Journal of the Geological Society, vol. 167, no. 1, pp. 49-60.
• Anma, R, Armstrong, R, Orihashi, Y et al. 2009, 'Are the Taitao granites formed due to subduction of the Chile ridge?', Lithos, vol. 113, pp. 246-258.
• Klein, E, Luzardo, R, Moura, C et al 2009, 'Geochronology, Nd isotopes and reconnaissance geochemistry of volcanic and metavolcanic rocks of the Sao Luis Craton, northern Brazil: Implications for tectonic setting and crustal evolution', Journal of South American Earth Sciences, vol. 27, no. 2-3, pp. 129-145.
• Cardona, A, Cordani, U, Ruiz, J et al 2009, 'U-Pb zircon geochronology and Nd isotopic signatures of the Pre-Mesozoic metamorphic basement of the eastern Peruvian Andes: Growth and Provenance of a late Neoproterozoic to Carboniferous Accretionary Orogen on the Northwest margin of Gondwana', Journal of Geology, vol. 117, pp. 285-305.
• Rajesh, H, Mukhopadhyay, J, Beukes, N et al 2009, 'Evidence for an early Archaean granite from Bastar craton, India', Journal of the Geological Society, vol. 166, pp. 193-196.
• Mendonidis, P & Armstrong, R 2009, 'A new U-PB Zircon age for the Portobello Granite from the Southern part of the Natal Metamorphic belt', South African Journal of Geology, vol. 112, no. 2, pp. 197-208.
• Poujol, M, Hirner, A, Armstrong, R et al. 2008, 'U-Pb SHRIMP data for the Madiba greenstone belt: implications for crustal growth on the western margin of the Kaapvaal Craton, South Africa', South African Journal of Geology, vol. 111, no. 1, pp. 67-78.
• Gray, D, Foster, D, Meert, J et al 2008, 'A Damara orogen perspective on the assembly of southwestern Gondwana', Geological Society of London Special Publication, vol. 294, pp. 257-278.
• Archanjo, C, de Hollanda, M, Rodrigues, S et al 2008, 'Fabrics of pre- and syntectonic granite plutons and chronology of shear zones in the Eastern Borborema Province, NE Brazil', Journal of Structural Geology, vol. 30, no. 3, pp. 310-326.
• Moen, H & Armstrong, R 2008, 'New age constraints on the tectonogenesis of the Kheis Subprovince and the evolution of the eastern Namaqua Province', South African Journal of Geology, vol. 111, no. 1, pp. 79-88.
• Bailie, R, Armstrong, R & Reid, D 2008, 'Response to the papers by Bailie et al concerning the age and deposition of the Bushmanland Group (South African Journal of Geology, 110, 59-86) and single zircon ages of the Aggenys Granite Suite (South African Journal of Geology, 110, 87-110)', South African Journal of Geology, vol. 111, pp. 112-113.
• Klein, E, Luzardo, R, Moura, C et al 2008, 'Geochemistry and zircon geochronology of paleoproterozoic granitoids: Further evidence on the magmatic and crustal evolution of the Sao Luis cratonic fragment, Brazil', Precambrian Research, vol. 165, no. 3-4, pp. 221-242.
• Mendonidis, P, Armstrong, R & Grantham, G 2008, 'U-Pb SHRIMP ages and tectonic setting of the Munster Suite of the Margate Terrane of the Natal Metamorphic Belt', Gondwana Research, vol. 15, pp. 28-37.
• da Silva, L, Pedrosa-Soares, A, Teixeira, L et al 2008, 'Tonian rift-related, A-type continental plutonism in the Aracuai Orogen, eastern Brazil: New evidence for the breakup stage of the Sao Francisco-Congo Paleocontinent', Gondwana Research, vol. 13, no. 4, pp. 527-537.
• Mukhopadhyay, J, Beukes, N, Armstrong, R et al 2008, 'Dating the Oldest Greenstone in India: A 3.51-Ga precise U-Pb SHRIMP zircon age for Dacitic lava of the Southern Iron Ore Group, Singhbhum Craton', Journal of Geology, vol. 116, pp. 449-461.
• Grantham, G, Macey, P, Ingram, B et al 2008, 'Terrane correlation between Antarctica, Mozambique and Sri Lanka; comparisons of geochronology, lithology, structure and metamorphism and possible implications for the geology of southern Africa and Antarctica', Geological Society of London Special Publication, vol. 308, pp. 91-119.
• Cho, D, Lee, S & Armstrong, R 2008, 'Termination of the Permo-Triassic Songrim (Indosinian) orogeny in the Ogcheon belt, South Korea: Occurrence of ca. 220Ma post-orogenic alkali granites and their tectonic implications', Lithos, vol. 105, pp. 191-200.
• van Reenan, D, Boshoff, R, Smit, C et al 2008, 'Geochronological problems related to polymetamorphism in the Limpopo Complex, South Africa', Gondwana Research, vol. 14, no. 4, pp. 644-662.
• Vasquez, M, Macambira, M & Armstrong, R 2008, 'Zircon geochronology of granitoids from the western Bacaja domain, southeastern Amazonian craton, Brazil: Neoarchean to Orosirian evolution', Precambrian Research, vol. 161, no. 3-4, pp. 279-302.
• Stollhofen, H, Werner, M, Stanistreet, I et al 2008, 'Single-zircon U-Pb dating of Carboniferous-Permian tuffs, Namibia, and the intercontinental deglaciation cycle framework', Geological Society of America. Special Papers, vol. 441, pp. 83-96.
• Rogers, A, Kolb, J, Meyer, F et al 2007, 'Tectono-magmatic evolution of the Hutti-Maski Greenstone Belt, India: Constrained using geochemical and geochronological data', Journal of Asian Earth Sciences, vol. 31, no. 1, pp. 55-70.
• Evans, D, Windrim, D & Armstrong, R 2007, 'Age of Metavolcanic rocks at the northern margin of the Namaqua-Natal Metamorphic Province in the Karas Mountains, Namibia, defined by SHRIMP U-Pb dating of zircons', South African Journal of Geology, vol. 110, pp. 47-54.
• Bailie, R, Armstrong, R & Reid, D 2007, 'Composition and single zircon U-Pb emplacement and metamorphic ages of the Aggeneys Granite Suite, Bushmanland, South Africa', South African Journal of Geology, vol. 110, pp. 87-110.
• Bailie, R, Armstrong, R & Reid, D 2007, 'The Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism', South African Journal of Geology, vol. 110, pp. 59-86.
• Kokonyangi, J, Kampunzu, A, Armstrong, R et al 2007, 'U-Pb SHRIMP dating of Detrital Zircons from the Nzilo Group (Kibaran Belt): Implications for the Source of Sediments and Mesoproterozoic Evolution of Central Africa', Journal of Geology, vol. 115, pp. 99-113.
• Mallmann, G, Chemale, F, Avila, J et al 2007, 'Isotope geochemistry and geochronology of the Nico Perez Terrane, Rio de la Plata Craton, Uruguay', Gondwana Research, vol. 12, no. 4, pp. 489-508.
• Noce, C, Pedrosa-Soares, A, da Silva, L et al 2007, 'Evolution of polycyclic basement complexes in the Araçuaí Orogen, based on U-Pb SHRIMP data: Implications for Brazil-Africa links in Paleoproterozoic time', Precambrian Research, vol. 159, no. 1-2, pp. 60-78.
• Miller, C, Konzett, J, Tiepolo, M et al 2007, 'Jadeite-gneiss from the Eclogite Zone, Tauern Window, Eastern Alps, Austria: Metamorphic, geochemical and zircon record of a sedimentary protolith', Lithos, vol. 93, pp. 68-88.
• Escayola, M, Pimentel, M & Armstrong, R 2007, 'Neoproterozoic backarc basin: Sensitive high-resolution ion microprobe U-Pb and Sm-Nd isotopic evidence from the Eastern Pampean Ranges, Argentina', Geology, vol. 35, no. 6, pp. 495-498.
• Ashwal, L, Armstrong, R, Roberts, R et al 2007, 'Geochronology of zircon megacrysts from nepheline-bearing gneisses as constraints on tectonic setting: implications for resetting of the U-Pb and Lu-Hf isotopic systems', Contributions to Mineralogy and Petrology, vol. 153, pp. 389-403.
• Kokonyangi, J, Kampunzu, A, Armstrong, R et al 2006, 'The mesoproterozoic Kibaride belt (Katanga, SE D.R. Congo)', Journal of African Earth Sciences, vol. 46, pp. 1-35.
• de Vries, S, Nijman, W & Armstrong, R 2006, 'Growth-fault structure and stratigraphic architecture of the Buck Ridge volcano-sedimentary complex, upper Hooggenoeg Formation, Barberton Greenstone Belt, South Africa', Precambrian Research, vol. 149, no. 3-4, pp. 77-98.
• Armstrong, R, Lana, C, Reimold, W et al 2006, 'SHRIMP zircon age constraints on Mesoarchean crustal development in the Vredefort dome, central Kaapvaal Craton, South Africa', in Reimold W.U. and Gibson R.L. (ed.), Processes on the Early Earth, Geological Society of America Inc, Boulder, Colorado, USA, pp. 233-253.
• Mapeo, R, Armstrong, R, Kampunzu, A et al 2006, 'A ca. 200 Ma hiatus between the Lower and Upper Transvaal Groups of southern Africa: SHRIMP U-Pb detrital zircon evidence from the Segwagwa Group, Botswana: Implications for Palaeoproterozoic glaciations', Earth and Planetary Science Letters, vol. 244, pp. 113-132.
• Dziggel, A, Stevens, G, Poujol, M et al 2006, 'Contrasting source components of clastic metasedimentary rocks in the lowermost formations of the Barberton greenstone belt', in Reimold W.U. and Gibson R.L. (ed.), Processes on the Early Earth, Geological Society of America Inc, Boulder, Colorado, USA, pp. 157-172.
• Grantham, G, Armstrong, R & Moyes, A 2006, 'The geology of a mafic dyke at Roerkulten, Sverdrupfjella, western Dronning Maud Land, Antarctica', in Hanski, E., Mertanen, S., Ramo, T., & Vuollo, J. (ed.), Dyke Swarms: Time Markers of Crustal Evolution, Taylor & Francis Group, London, pp. 213-224.
• Anma, R, Armstrong, R, Danhara, T et al 2006, 'Zircon sensitive high mass-resolution ion microprobe U-Pb and fission-track ages for gabbros and sheeted dykes of the Taitao ophiolite, Southern Chile, and their tectonic implications', The Island Arc, vol. 15, pp. 130-142.
• Bisnath, A, Frimmel, H, Armstrong, R et al 2006, 'Tectono-thermal evolution of the Maud Belt: New SHRIMP U-Pb data from Gjelsvikfjella, Dronning Maud Land, East Antarctica', Precambrian Research, vol. 150, pp. 95-121.
• Dorland, H, Beukes, N, Gutzmer, J et al 2006, 'Precise SHRIMP U-Pb zircon age constraints on the lower Waterberg and Soutpansberg Groups, South Africa', South African Journal of Geology, vol. 109, pp. 139-156.
• Han, R, Ree, J, Cho, D et al 2006, 'Shrimp U-Pb zircon ages of pyroclastic rocks in the Bansong Group, Taebaeksan basin, South Korea and their implication for the Mesozoic tectonics', Gondwana Research, vol. 9, pp. 106-117.
• Boshoff, R, van Reenan, D, Smit, C et al 2006, 'Geologic History of the Central Zone of the Limpopo Complex: The West Alldays Area', Journal of Geology, vol. 114, pp. 699-716.
• De Waal, S, Graham, I & Armstrong, R 2006, 'The Lindeques Drift and Heidelberg Intrusions and the Roodekraal Complex, Vredefort, South Africa: comagmatic plutonic and volcanic products of a 2055 Ma ferrobasaltic magma', South African Journal of Geology, vol. 109, pp. 279-300.
• Moraes, R, Fuck, R, Pimentel, M et al 2006, 'The bimodal rift-related Juscelândia volcanosedimentary sequence in central Brazil: Mesoproterozoic extension and Neoproterozoic metamorphism', Journal of South American Earth Sciences, vol. 20, pp. 287-301.
• McCourt, S, Armstrong, R, Grantham, G et al 2006, 'Geology and evolution of the Natal belt, South Africa', Journal of African Earth Sciences, vol. 46, pp. 71-92.
• Avila, J, Chemale, F, Mallmann, G et al 2006, 'Combined stratigraphic and isotopic studies of Triassic strata, Cuyo Basin, Argentine Precordillera', Geological Society of America Bulletin, vol. 118, no. 9/10, pp. 1088-1098.
• Becker, T, Schreiber, U, Kampunzu, A et al 2006, 'Mesoproterozoic rocks of Namibia and their plate tectonic setting', Journal of African Earth Sciences, vol. 46, pp. 112-140.
• Lange, U, Brocker, M, Armstrong, R et al 2005, 'Sm-Nd and U-Pb dating of high-pressure granulites from the Zlote and Rychleby Mts (Bohemian Massif, Poland and Czech Republic)', Journal of Metamorphic Geology, vol. 23, pp. 133-145.
• Laux, J, Pimentel, M, Dantas, E et al 2005, 'Two neoproterozoic crustal accretion events in the Brasília belt, central Brazil', Journal of South American Earth Sciences, vol. 18, pp. 183-198.
• Seth, B, Armstrong, R, Buttner, A et al 2005, 'Time constraints for Mesoproterozoic upper amphibolite facies metamorphism in NW Namibia: a multi-isotopic approach.', Earth and Planetary Science Letters, vol. 230, pp. 355-378.
• da Silva, L, McNaughton, N, Armstrong, R et al 2005, 'The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U-Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens', Precambrian Research, vol. 136, pp. 203-240.
• Konzett, J, Miller, C, Armstrong, R et al 2005, 'Metamorphic Evolution of Iron-rich Mafic Cumulates from the Ã?tztal-Stubai Crystalline Complex, Eastern Alps, Austria', Journal of Petrology, vol. 46, no. 4, pp. 717-747.
• Armstrong, R, Master, S & Robb, L 2005, 'Geochronology of the Nchanga Granite, and constraints on the maximum age of the Katanga Supergroup, Zambian Copperbelt', Journal of African Earth Sciences, vol. 42, pp. 32-40.
• Rainaud, C, Master, S, Armstrong, R et al 2005, 'Monazite U-Pb dating and ⁴⁰Ar-³⁹Ar thermochronology of metamorphic events in the Central African Copperbelt during the Pan-African Lufilian Orogeny', Journal of African Earth Sciences, vol. 42, pp. 183-199.
• Graham, I, De Waal, S & Armstrong, R 2005, 'New U-Pb SHRIMP zircon age for the Schurwedraai alkali granite: Implications for pre-impact development of the Vredefort Dome and extent of Bushveld magmatism, South Africa', Journal of African Earth Sciences, vol. 43, pp. 537-548.
• Gray, D, Gregory, R, Armstrong, R et al 2005, 'Age and Stratigraphic Relationships of Structurally Deepest level Rocks, Oman Mountains: U/Pb SHRIMP Evidence for Late Carboniferous Neotethys Rifting', Journal of Geology, vol. 113, pp. 611-626.
• Board, W, Frimmel, H & Armstrong, R 2005, 'Pan-African Tectonism in the Western Maud Belt: P-T-t Path for High-grade Gneisses in the H.U. Sverdrupfjella, East Antarctica', Journal of Petrology, vol. 46, no. 4, pp. 671-699.
• Rainaud, C, Master, S, Armstrong, R et al 2005, 'Geochronology and nature of the Palaeoproterozoic basement in the Central African Copperbelt (Zambia and the Democratic Republic of Congo), with regional implications', Journal of African Earth Sciences, vol. 42, pp. 1-31.
• Lennox, P, Trzebski, R, Armstrong, R et al 2005, 'Structural evolution and granite chronology of the central Molong Zone, Eastern Lachlan Fold Belt, Australia', Australian Journal of Earth Sciences, vol. 52, pp. 79-99.
• Master, S, Rainaud, C, Armstrong, R et al 2005, 'Provenance ages of the Neoproterozoic Katanga Supergroup (Central African Copperbelt), with implications for basin evolution', Journal of African Earth Sciences, vol. 42, pp. 41-60.
• Poujol, M, Kiefer, R, Robb, L et al. 2005, 'New U-Pb data on zircons from the Amalia greenstone belt Southern Africa: insights into the Neoarchaean evolution of the Kaapvaal Craton', South African Journal of Geology, vol. 108, pp. 317-332.
• Noce, C, Zuccheti, M, Baltazar, O et al 2005, 'Age of felsic volcanism and the role of ancient continental crust in the evolution of the Neoarchean Rio das Velhas Greenstone belt (Quadrilatero Ferrifero, Brazil): U-Pb zircon dating of volcaniclastic graywackes', Precambrian Research, vol. 141, pp. 67-82.
• Lange, U, Brocker, M, Armstrong, R et al 2005, 'The orthogneisses of the Orlica-Snieznik complex (West Sudetes, Poland): geochemical characteristics, the importance of pre-Variscan migmatization and constraints on the cooling history', Journal of the Geological Society, vol. 162, pp. 973-84.
• Dziggel, A, Armstrong, R, Stevens, G et al 2005, 'Growth of zircon and titanite during metamorphism in the granitoid-gneiss terrane south of the Barberton greenstone belt, South Africa', Mineralogical Magazine, vol. 69, no. 6, pp. 1019-1036.
• Goscombe, B, Gray, D, Armstrong, R et al 2005, 'Event geochronology of the Pan-African Kaoko Belt, Namibia', Precambrian Research, vol. 140, pp. 103-131.
• Shabeer, K, Satish-Kumar, M, Armstrong, R et al 2005, 'Constraints on the timing of Pan-African granulite-facies metamorphism on the Kerala Khondalite belt of southern India: SHRIMP mineral ages and Nd isotopic sytematics', Journal of Geology, vol. 113, pp. 95-106.
• McCourt, S, Kampunzu, A, Bagai, Z et al 2004, 'The crustal architecture of Archaean terranes in Northeastern Botswana', South African Journal of Geology, vol. 107, pp. 147-158.
• Mapeo, R, Armstrong, R, Kampunzu, A et al 2004, 'SHRIMP U-Pb zircon ages of granitoids from the Western Domain of the Kaapvaal Craton, Southeastern Botswana: implications for crustal evolution', South African Journal of Geology, vol. 107, pp. 159-172.
• Mapeo, R, Ramokate, L, Armstrong, R et al 2004, 'U-Pb zircon age of the upper Palapye group (Botswana) and regional implications', Journal of African Earth Sciences, vol. 40, pp. 1-16.
• Laux, J, Pimentel, M, Dantas, E et al 2004, 'Mafic magmatism associated with the Goi�s magmatic arc in the Anicuns region, Goi�s, central Brazil: Sm-Nd isotopes and new ID-TIMS and SHRIMP U-Pb data', Journal of South American Earth Sciences, vol. 16, pp. 599-614.
• Eglington, B & Armstrong, R 2004, 'The Kaapvaal Craton and adjacent orogens, southern Africa: a geochronological database and overview of the geological development of the craton', South African Journal of Geology, vol. 107, pp. 13-32.
• Machowiak, K, Muszynski, A & Armstrong, R 2004, 'High-level volcanic-granodioritic intrusions from Zelezniak Hill (Kaczawa Mountains, Sudetes, SW Poland)', in Breitkreuz, C. and Petford, N. (ed.), Physical Geology of High-Level Magmatic Systems, Geological Society of London, London, pp. 67-74.
• Kokonyangi, J, Armstrong, R, Kampunzu, A et al 2004, 'U-Pb zircon geochronology and petrology of granitoids from Mitwaba (Katanga, Congo): implications for the evolution of the Mesoproterozoic Kibaran belt', Precambrian Research, vol. 132, pp. 79-106.
• Ewart, A, Marsh, J, Milner, S et al. 2004, 'Petrology and Geochemistry of Early Cretaceous Bimodal Continental Flood Volcanism of the NW Etendeka, Namibia. Part 2: Characteristics and Petrogenesis of the High-Ti Latite and High-Ti and Low Ti Voluminous Quartz Latite Eruptives', Journal of Petrology, vol. 45, no. 1, pp. 107-138.
• Pimentel, M, Ferreira, C & Armstrong, R 2004, 'SHRIMP U-Pb and Sm-Nd ages of the Niquelândia layered complex: Meso- (1.25 Ga) and Neoproterozoic (0.79 Ga) extensional events in central Brazil', Precambrian Research, vol. 132, pp. 133-153.
• Ewart, A, Marsh, J, Milner, S et al 2004, 'Petrology and Geochemistry of Early Cretaceous Bimodal Continental Flood Volcanism of the NW Etendeka, Namibia. Part 1: Introduction, Mafic Lavas and Re-evaluation of Mantle Source Components', Journal of Petrology, vol. 45, no. 1, pp. 59-105.
• Gray, D, Hand, M, Mawby, J et al 2004, 'Sm-Nd and Zircon U-Pb ages from garnet-bearing eclogites, NE Oman: constraints on High-P metamorphism', Earth and Planetary Science Letters, vol. 222, pp. 407-422.
• Pimentel, M, Dantas, E, Fuck, R et al 2003, 'SHRIMP and conventional U-Pb age, Sm-Nd isotopic characteristics and tectonic significance of the K-rich Itapuranga suite in Goiás, Central Brazil', Anais da Academia Brasileira de Ciencias, vol. 75, no. 1, pp. 97-108.
• Piuzana, D, Pimentel, M, Fuck, R et al 2003, 'Neoproterozoic granulite facies metamorphism and coeval granitic magmatism in the Brasilia Belt, Central Brazil: regional implications of new SHRIMP U-Pb and Sm-Nd data', Precambrian Research, vol. 125, pp. 245-273.
• Rainaud, C, Master, S, Armstrong, R et al 2003, 'A cryptic Mesoarchaean terrane in the basement to the Central African Copperbelt', Journal of the Geological Society, vol. 160, pp. 11-14.
• Piuzana, D, Pimentel, M, Fuck, R et al 2003, 'SHRIMP U-Pb and Sm-Nd data for the Araxá Group and associated magmatic rocks: constraints for the age of sedimentation and geodynamic context of the southern Brasília Belt, central Brazil', Precambrian Research, vol. 125, pp. 139-160.
• Eglington, B, Thomas, R, Armstrong, R et al 2003, 'Zircon geochronology of the Oribi Gorge Suite, KwaZulu-Natal, South Africa: constraints on the timing of trans-current shearing in the Namaqua-Natal Belt', Precambrian Research, vol. 123, pp. 29-46.
• Seth, B, Armstrong, R, Brandt, S et al 2003, 'Mesoproterozoic U-Pb and Pb-Pb ages of granulites in NW Namibia: reconstructing a complete orogenic cycle', Precambrian Research, vol. 126, pp. 147-168.
• Auge, T, Cocherie, A, Genna, A et al 2003, 'Age of the Baula PGE mineralization (Orissa, India) and its implications concerning the Singhbhum Archaean nucleus', Precambrian Research, vol. 121, pp. 85-101.
• Steven, N & Armstrong, R 2003, 'A Metamorphosed Proterozoic Carbonaceous Shale-Hosted Co-Ni-Cu Deposit at Kalumbila, Kabompo Dome: The Copperbelt Ore Shale in Northwestern Zambia', Economic Geology; Bulletin of the Society of Economic Geologists, vol. 98, pp. 893-908.
• Moller, A, Hensen, B, Armstrong, R et al 2003, 'U-Pb zircon and monazite age constraints on granulite-facies metamorphism and deformation in the Strangways Metamorphic Complex (central Australia)', Contributions to Mineralogy and Petrology (Electronic), vol. 145, no. 4, pp. 406-423.
• Borg, G, Karner, K, Buxton, M et al 2003, 'Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia', Economic Geology; Bulletin of the Society of Economic Geologists, vol. 98, pp. 749-771.
• Kisters, A, Stevens, G, Dziggel, A et al 2003, 'Extensional detachment faulting and core-complex formation in the southern Barberton granite-greenstone terrain, South Africa: evidence for a 3.2Ga orogenic collapse', Precambrian Research, vol. 127, pp. 355-378.
• Pimentel, M, Hollanda, M & Armstrong, R 2003, 'SHRIMP U-Pb age and Sr-Nd isotopes of the Morro do Baú mafic intrusion: implications for the evolution of the Arenópolis volcano-sedimentary sequence, Goiás Magmatic Arc', Anais da Academia Brasileira de Ciencias, vol. 75, no. 3, pp. 331-339.
• Eglington, B & Armstrong, R 2003, 'Geochronological and isotopic constraints on the Mesoproterozoic Namaqua-Natal Belt: evidence from deep borehole intersections in South Africa', Precambrian Research, vol. 125, pp. 179-189.
• Pimentel, M, Lindenmayer, Z, Laux, J et al 2003, 'Geochronology and Nd isotope geochemistry of the Gameleira Cu-Au deposit, Serra dos Carajás, Brazil: 1.8-1.7Ga hydrothermal alteration and mineralization', Journal of South American Earth Sciences, vol. 15, pp. 803-813.
• Mendonidis, P, Armstrong, R, Eglington, B et al 2002, 'Metamorphic history and U-Pb Zircon (SHRIMP) geochronology of the Glenmore Granite: Implications for the tectonic evolution of the Natal Metamorphic Province', South African Journal of Geology, vol. 105, pp. 325-336.
• Poujol, M, Anhaeusser, C & Armstrong, R 2002, 'Episodic granitoid emplacement in the Archaean Amalia-Kraaipan terrane, South Africa: confirmation from single zircon U-Pb geochronology', Journal of African Earth Sciences, vol. 35, pp. 147-161.
• Thomas, R, Chevallier, L, Gresse, P et al 2002, 'Precambrian evolution of the Sirwa Window, Anti-Atlas Orogen, Morocco', Precambrian Research, vol. 118, pp. 1-57.
• Scheepers, R & Armstrong, R 2002, 'New U-Pb SHRIMP zircon ages of the Cape Granite Suite: implications for the magmatic evolution of the Saldania Belt', South African Journal of Geology, vol. 105, pp. 241-256.
• Key, R, Liyungu, A, Njamu, F et al 2002, 'The western arm of the Lufilian Arc in NW Zambia and its potential for copper mineralization', Journal of African Earth Sciences, vol. 33, pp. 501-528.
• Bagai, Z, Armstrong, R & Kampunzu, A 2002, 'U-Pb single zircon geochronology of granitoids in the Vumba granite-greenstone terrain (NE Botswana): Implications for the evolution of the Archaean Zimbabwe craton', Precambrian Research, vol. 118, pp. 149-168.
• Kisters, A, Belcher, R, Armstrong, R et al 2002, 'Timing and kinematics of the Colenso Fault: The early Paleozoic shift from collisional to extensional tectonics in the Pan-African Saldania Belt, South Africa', South African Journal of Geology, vol. 105, pp. 257-270.
• Stevens, G, Droop, G, Armstrong, R et al. 2002, 'Amphibolite facies metamorphism in the Schapenburg schist belt: A record of the mid-crustal response to ~3.23 Ga terrane accretion in the Barberton greenstone belt', South African Journal of Geology, vol. 105, pp. 271-284.
• Dziggel, A, Stevens, G, Poujol, M et al. 2002, 'Metamorphism of the granite-greenstone terrane south of the Barberton greenstone belt, South Africa: an insight into the tectono-thermal evolution of the lower portions of the Onverwacht Group', Precambrian Research, vol. 114, pp. 221-247.
• Reimold, W, Armstrong, R & Koeberl, C 2002, 'A deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size', Earth and Planetary Science Letters, vol. 201, pp. 221-232.
• Camacho, A, Hensen, B & Armstrong, R 2002, 'Isotopic test of a thermally driven intraplate orogenic model, Australia', Geology, vol. 30, no. 10, pp. 887-890.
• Koniger, S, Lorenz, V, Stollhofen, H et al 2002, 'Origin, age and stratigraphic significance of distal fallout ash tuffs from the Carboniferous-Permian continental Saar-Nahe Basin (SW Germany)', International Journal of Earth Sciences (Geologische Rundschau), vol. 91, pp. 341-356.
• Teklay, M, Berhe, K, Reimold, W et al 2002, 'Geochemistry and Geochronology of a Neoproterozoic Low-K Tholeiite-Boninite Association in Central Eritrea', Gondwana Research, vol. 5, no. 3, pp. 597-611.
• Armstrong, R, Vishnevsky, S & Koeberl, C 2002, 'U-Pb Analyses of Zircons from the Popigai Impact Structure, Russia: First Results', in J Plado & L J Pesonen (ed.), Impacts in Precambrian Shields, Springer, Germany, pp. 109-116.
• Yibas, B, Reimold, W, Armstrong, R et al. 2002, 'The tectonostratigraphy, granitoid geochronology and geological evolution of the Precambrian of southern Ethiopia', Journal of African Earth Sciences, vol. 34, pp. 57-84.
• Fischel, D, Pimentel, M, Fuck, R et al 2001, 'U-Pb SHRIMP and Sm-Nd geochronology of the Silvania volcanics and Jurubatuba granite: juvenile Paleoproterozoic crust in the basement of the Neoproterozoic Brasília Belt, central Brazil', Anais da Academia Brasileira de Ciencias, vol. 73, no. 3, pp. 390-399.
• Mapeo, R, Armstrong, R & Kamo, S 2001, 'SHRIMP U-Pb zircon geochronology of gneisses from the Gweta borehole, northeast Botswana: implications for the Palaeoproterozoic Magondi Belt in southern Africa', Geological Magazine, vol. 138, pp. 299-308.
• Manhica, A, Grantham, G, Armstrong, R et al 2001, 'Polyphase deformation and metamorphism at the Kalahari Craton - Mozambique Metamorphic Belt boundary', in Miller J A, Holdsworth R E, Buick I S and Hand M (ed.), Continental Reactivation and Reworking, Geological Society of London, London, pp. 303-321.
• Camacho, A, McDougall, I, Armstrong, R et al. 2001, 'Evidence for shear heating, Musgrave Block, central Australia', Journal of Structural Geology, vol. 23, pp. 1007-1013.
• De Waal, S, Maier, W, Armstrong, R et al 2001, 'Parental magma and emplacement of the stratiform Uitkomst Complex, South Africa', The Canadian Mineralogist, vol. 39, pp. 557-571.
• McCourt, S, Hilliard, P, Armstrong, R et al 2001, 'SHRIMP U-Pb zircon geochronology of the Hurungwe granite northwest Zimbabwe: Age constraints on the timing of the Magondi orogeny and implications for the correlation between the Kheis and Magondi Belts', South African Journal of Geology, vol. 104, pp. 39-46.
• Armstrong, R & Wilson, A 2000, 'A SHRIMP U-Pb study of zircons from the layered sequence of the Great Dyke, Zimbabwe, and a granitoid anatectic dyke', Earth and Planetary Science Letters, vol. 180, pp. 1-12.
• Schersten, A, Areback, H, Cornell, D et al. 2000, 'Dating mafic-ultramafic intrusions by ion-microprobing contact-melt zircon: examples from SW Sweden', Contributions to Mineralogy and Petrology, vol. 139, pp. 115-125.
• de Kock, G, Eglington, B, Armstrong, R et al 2000, 'U-Pb and Pb-Pb ages of the Naauwpoort rhyolite, Kawakeup leptite and Okongava Diorite: implications for the onset of rifting and of orogenesis in the Damara belt, Namibia', in R. McG. Miller (ed.), Communications of the geological Survey of Namibia (Special Issue: Henno Martin Commemorative Volume), Geological Survey of Namibia, Windhoek, Namibia, pp. 81-88.
• Jacob, R, Moore, J & Armstrong, R 2000, 'Zircon and titanite age determinations from igneous rocks in the Karibib District, Namibia: implications for Navachab vein-style gold mineralization', in R. McG. Miller (ed.), Communications of the geological Survey of Namibia (Special Issue: Henno Martin Commemorative Volume), Geological Survey of Namibia, Windhoek, Namibia, pp. 157-166.
• Hoal, K, Hoal, B, Griffin, W et al 2000, 'Characterization of the age and nature of the lithosphere in the Tsumkwe region, Namibia', in R. McG. Miller (ed.), Communications of the geological Survey of Namibia (Special Issue: Henno Martin Commemorative Volume), Geological Survey of Namibia, Windhoek, Namibia, pp. 21-28.
• Pirajno, F, Phillips, D & Armstrong, R 2000, 'Volcanology and eruptive histories of the Erongo Volcanic Complex and the Paresis Igneous Complex, Namibia: implications for mineral deposit styles', in R. McG. Miller (ed.), Communications of the geological Survey of Namibia (Special Issue: Henno Martin Commemorative Volume), Geological Survey of Namibia, Windhoek, Namibia, pp. 301-312.
• Elworthy, T, Eglington, B, Armstrong, R et al 2000, 'Rb-Sr isotope constraints on the timing of late to post-Archaean tectonometamorphism affecting the southeastern Kaapvaal Craton', Journal of African Earth Sciences, vol. 30, no. 3, pp. 641-650.
• Goscombe, B, Armstrong, R & Barton, J 2000, 'Geology of the Chewore Inliers, Zimbabwe: constraining the Mesoproterozoic to Palaeozoic evolution of the Zambezi Belt', Journal of African Earth Sciences, vol. 30, no. 3, pp. 589-627.
• Kampunzu, A, Armstrong, R, Modisi, M et al 2000, 'Ion microprobe U-Pb ages on detrital zircon grains from the Ghanzi Group: implications for the identification of a Kibaran-age crust in northwest Botswana', Journal of African Earth Sciences, vol. 30, no. 3, pp. 579-587.
• Mapeo, R, Kamo, S & Armstrong, R 2000, 'Ages of detrital zircon grains from Neoproterozoic siliciclastic rocks in the Shakawe area: implications for the evolution of Proterozoic crust in northern Botswana', South African Journal of Geology, vol. 103, no. 2, pp. 156-161.
• De Waal, S & Armstrong, R 2000, 'The age of the Marble Hall diorite, its relationship to the Uitkomst Complex and evidence for a new magma type associated with the Bushveld igneous event.', South African Journal of Geology, vol. 103, no. 2, pp. 128-140.
• Robb, L, Freeman, L & Armstrong, R 2000, 'Nature and longevity of hydrothermal fluid flow and mineralisation in granites of the Bushveld Complex, South Africa', Transactions of the Royal Society of Edinburgh: Earth Sciences, vol. 91, pp. 259-282.

Projects and Grants

Grants information is drawn from ARIES. To add or update Projects or Grants information please contact your College Research Office.

• Unraveling the mystery of the Plain of Jars, Laos (Secondary Investigator)
• Where to find giant porphyry and epithermal gold and copper deposit (Secondary Investigator)
• Understanding the migrations of prehistoric populations through direct dating and isotopic tracking of their mobility patterns (Secondary Investigator)
• A facility for Sensitive and Precise Isotopic Dating of Earth's and extraterrestrial Rocks (Secondary Investigator)