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pro vyhledávání: '"Richard Austin Armstrong"'
Autor:
Márcio Martins Pimentel, Hardy Jost, Reinhardt Adolfo Fuck, Richard Austin Armstrong, Elton Luiz Dantas, Alain Potrel
Publikováno v:
Geologia USP. Série Científica, Vol 3, Pp 1-12 (2003)
The first SHRIMP U-Pb ages for granitoid rocks from the southern part of the Goiás-Crixás Archean Block (Caiçara andUvá complexes) are presented and discussed in combination with Sm-Nd isotopic data in order to elucidate the main aspectsof the ge
Externí odkaz:
https://doaj.org/article/94eaff123b994ce6ac43d84c87848303
Autor:
Márcio Martins Pimentel, Hardy Jost, Reinhardt Adolfo Fuck, Richard Austin Armstrong, Elton Luiz Dantas, Alain Potrel
Publikováno v:
Geologia USP. Série Científica, Vol 3 (2003)
No presente estudo são reportadas as primeiras idades U-Pb SHRIMP para rochas granito-gnáissicas dos complexos Uvá e Caiçara, na parte sul dos terrenos arqueanos de Goiás. Combinados com análises isotópicas Sm-Nd, os dados U-Pb permitem aprofu
Externí odkaz:
https://doaj.org/article/01f73cac0b294837bc6ef841d6e88ce8
Autor:
Moacir José Buenano Macambira, Marcelo Lacerda Vasquez, Pablo Conduru Monteiro, Richard Austin Armstrong
Publikováno v:
Brazilian Journal of Geology v.52 n.4 2022
Brazilian Journal of Geology
Sociedade Brasileira de Geologia (SBGEO)
instacron:SBGEO
Brazilian Journal of Geology
Sociedade Brasileira de Geologia (SBGEO)
instacron:SBGEO
The Carajás (3.0–2.5 Ga) and Xingu-Iricoumé (1.99–1.86 Ga) blocks comprise the Central Amazonia Province (CAP) that is in contact with the Maroni-Itacaiúnas Province (MIP) within the Amazonian craton. The CAP is the oldest portion (Nd-TDM) of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e13d09979589a7d023e4631a2ff778a2
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892022000400305
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892022000400305
