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pro vyhledávání: '"ignimbrito"'
Autor:
Ronaldo Pierosan, Evandro F. Lima, Lauro V.S. Nardi, Cristina P. de Campos, Artur C. Bastos Neto, José M.T.M. Ferron, Maurício Prado
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 83, Iss 3, Pp 921-937 (2011)
The Iricoumé Group correspond to the most expressive Paleoproterozoic volcanism in the Guyana Shield, Amazonian craton. The volcanics are coeval with Mapuera granitoids, and belong to the Uatumã magmatism. They have U-Pb ages around 1880 Ma, and ge
Externí odkaz:
https://doaj.org/article/0f8fba2a0d514161bdf9d1e322bd20fe
