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Browsing by Author Armstrong, Richard

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Showing results 181 to 199 of 199

Two neoproterozoic crustal accretion events in the Brasília belt, central Brazil

Author(s)Laux, Jorge H; Pimentel, Marcio; Dantas, Elton L, et al
TypeJournal article
Date Published2005
Date Created-

U-Pb Analyses of Zircons from the Popigai Impact Structure, Russia: First Results

Author(s)Armstrong, Richard; Vishnevsky, S; Koeberl, Christian
TypeBook chapter
Date Published2002
Date Created-

U-Pb geochronology and zircon composition of late Variscan S- and I-type granitoids from the Spanish Central System batholith

Author(s)Orejana, David; Villaseca, Carlos; Valverde-Vaquero, Pablo, et al
TypeJournal article
Date Published2012
Date Created-

U-Pb isotopic ages and Hf isotope composition of zircons in Variscan gabbros from central Spain: evidence of variable crustal contamination

Author(s)Villaseca, Carlos; Orejana, David; Belousova, Elena, et al
TypeJournal article
Date Published2010
Date Created-
01_Mendonidis_U-Pb_SHRIMP_ages_and_tectonic_2008.pdf.jpg

U-Pb SHRIMP ages and tectonic setting of the Munster Suite of the Margate Terrane of the Natal Metamorphic Belt

Author(s)Mendonidis, P.; Armstrong, Richard; Grantham, Geoff H
TypeJournal article
Date Published2008
Date Created-
Fischel_UPB2001.pdf.jpg

U-Pb SHRIMP and Sm-Nd geochronology of the Silvânia volcanics and Jurubatuba granite: juvenile Paleoproterozoic crust in the basement of the Neoproterozoic Brasília Belt, central Brazil

Author(s)Fischel, Danielle P; Pimentel, Marcio; Fuck, Reinhardt, et al
TypeJournal article
Date Published2001
Date Created-

U-Pb SHRIMP data constraints on calc-alkaline granitoids with 1.3-1.6 Ga Nd TDM model ages from the central domain of the Borborema province, NE Brazil

Author(s)Guimaraes, Ignez P.; da Silva Filho, Adejardo F.; Almeida, C.N., et al
TypeJournal article
Date Published2011
Date Created-
01_Poujol_U-Pb_SHRIMP_data_for_the_2008.pdf.jpg

U-Pb SHRIMP data for the Madiba greenstone belt: implications for crustal growth on the western margin of the Kaapvaal Craton, South Africa

Author(s)Poujol, Marc; Hirner, Andreas J.; Armstrong, Richard, et al
TypeJournal article
Date Published2008
Date Created-

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

Author(s)Kokonyangi, Joseph W.; Kampunzu, Ali B; Armstrong, Richard, et al
TypeJournal article
Date Published2007
Date Created-

U-PB SHRIMP zircon dating of Mesoproterozoic Magmatic rocks from the Scottburgh area, Central Mzumbe Terrane, Kwazulu-Natal, South Africa

Author(s)Eglington, B.M.; Thomas, R J; Armstrong, Richard
TypeJournal article
Date Published2010
Date Created-

U-Pb single zircon geochronology of granitoids in the Vumba granite-greenstone terrain (NE Botswana): Implications for the evolution of the Archaean Zimbabwe craton

Author(s)Bagai, Z.; Armstrong, Richard; Kampunzu, Ali B.
TypeJournal article
Date Published2002
Date Created-

U-Pb zircon age of the upper Palapye group (Botswana) and regional implications

Author(s)Mapeo, R B M; Ramokate, L.V.; Armstrong, Richard, et al
TypeJournal article
Date Published2004
Date Created-

U-Pb zircon ages of orthogneisses and supracrustal rocks of the Cariris Velhos belt: Onset of Neoproterozoic rifting in the Borborema Province, NE Brazil

Author(s)Guimaraes, Ignez P.; Van Schmus, W.R.; de Brito Neves, Benjamin, et al
TypeJournal article
Date Published2012
Date Created-

U-Pb zircon and monazite age constraints on granulite-facies metamorphism and deformation in the Strangways Metamorphic Complex (central Australia)

Author(s)Moller, Andreas; Hensen, Bas; Armstrong, Richard, et al
TypeJournal article
Date Published2003
Date Created-

U-Pb zircon geochronology and petrology of granitoids from Mitwaba (Katanga, Congo): implications for the evolution of the Mesoproterozoic Kibaran belt

Author(s)Kokonyangi, Joseph W.; Armstrong, Richard; Kampunzu, Ali B, et al
TypeJournal article
Date Published2004
Date Created-

U-Pb zircon geochronology of rocks from west Central Sulawesi, Indonesia: Extension-related metamorphism and magmatism during the early stages of mountain building

Author(s)Hennig, Juliane; Hall, Robert; Armstrong, Richard
TypeJournal article
Date Published2015
Date Created-

Zircon geochronology of granitoids from the western Bacaja domain, southeastern Amazonian craton, Brazil: Neoarchean to Orosirian evolution

Author(s)Vasquez, Marcelo L.; Macambira, Moacir; Armstrong, Richard
TypeJournal article
Date Published2008
Date Created-

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