Richard Armstrong mainly focuses on Geochemistry, Zircon, Craton, Archean and Geochronology. His work in Geochemistry tackles topics such as Petrology which are related to areas like Quartz latite. Richard Armstrong interconnects Metamorphic rock, Granulite, Proterozoic, Basement and Pluton in the investigation of issues within Zircon.
His work deals with themes such as Foreland basin, Orogeny, Felsic, Sensitive high-resolution ion microprobe and Limpopo Belt, which intersect with Craton. His study looks at the relationship between Archean and topics such as Andesite, which overlap with Microprobe and Stratigraphy. His research integrates issues of Dharwar Craton and Terrane in his study of Geochronology.
Richard Armstrong mainly investigates Geochemistry, Zircon, Geochronology, Craton and Metamorphism. His Geochemistry research includes elements of Petrology and Proterozoic. His Proterozoic research includes themes of Provenance and Crust.
Zircon is a subfield of Paleontology that Richard Armstrong explores. His Geochronology study incorporates themes from Shrimp, Magmatism and Volcanic rock. His Metamorphism research incorporates elements of Orogeny, Granulite, Metamorphic facies and Recrystallization.
His primary areas of study are Geochemistry, Zircon, Geochronology, Craton and Paleontology. The Geochemistry study combines topics in areas such as Sedimentary depositional environment and Shear zone. His study in Zircon is interdisciplinary in nature, drawing from both Metamorphism, Basement, Basalt, Gneiss and Archean.
His Geochronology research is multidisciplinary, relying on both Orogeny, Tectonics, Magmatism, Large igneous province and Igneous rock. The Igneous rock study combines topics in areas such as Proterozoic and Volcanic rock. The concepts of his Craton study are interwoven with issues in Earth science, Continental margin, Gondwana and Terrane.
The scientist’s investigation covers issues in Zircon, Paleontology, Geochemistry, Geochronology and Craton. Richard Armstrong has included themes like Glacial period, Tectonic uplift and Dislocation in his Zircon study. His research on Geochemistry often connects related areas such as Sedimentary depositional environment.
His work deals with themes such as Felsic and Magmatism, which intersect with Geochronology. His Craton research integrates issues from Subduction, Back-arc basin and Gondwana. His biological study spans a wide range of topics, including Batholith, Brasiliano orogeny and Pluton.
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Formation of an Archaean continent
Maarten J. de Wit;Cornel E. J. de Ronde;Marian Tredoux;Chris Roering.
Zircon ion microprobe studies bearing on the age and evolution of the Witwatersrand triad
R.A. Armstrong;R.A. Armstrong;W. Compston;E.A. Retief;I.S. Williams.
Precambrian Research (1991)
A chronostratigraphic framework for the north-central Kaapvaal craton, the Bushveld Complex and the Vredefort structure
F Walraven;R.A Armstrong;F.J Kruger.
The stratigraphy of the 3.5-3.2 Ga Barberton Greenstone Belt revisited: A single zircon ion microprobe study
R.A. Armstrong;R.A. Armstrong;R.A. Armstrong;W. Compston;M.J. de Wit;I.S. Williams.
Earth and Planetary Science Letters (1990)
87Sr/86Sr ratios in modern and fossil food-webs of the Sterkfontein Valley: implications for early hominid habitat preference
Andrew Sillen;Grant Hall;Stephen Richardson;Richard Armstrong.
Geochimica et Cosmochimica Acta (1998)
The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U-Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens
Luiz Carlos da Silva;Neal J. McNaughton;Richard Armstrong;Léo Afraneo Hartmann.
Precambrian Research (2005)
The geochronology and significance of ash-fall tuffs in the glaciogenic Carboniferous-Permian Dwyka Group of Namibia and South Africa
Berthold Bangert;Harald Stollhofen;Volker Lorenz;Richard Armstrong.
Journal of African Earth Sciences (1999)
The western arm of the Lufilian Arc in NW Zambia and its potential for copper mineralization
R.M. Key;A.K. Liyungu;F.M. Njamu;V. Somwe.
Journal of African Earth Sciences (2001)
Initiation of the western branch of the East African Rift coeval with the eastern branch
Eric M Roberts;N. J Stevens;Patrick M O'Connor;P.H.G.M Dirks.
Nature Geoscience (2012)
A Damara orogen perspective on the assembly of southwestern Gondwana
David R Gray;David Foster;J.G. Meert;B D Goscombe.
Geological Society, London, Special Publications (2008)
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