Buscar
Mostrando ítems 31-40 de 164
U Pb and Sm Nd geochronologic studies of the eastern Borborema Province, Northeastern Brazil: initial conclusions
(1995-07-01)
The Borborema Province of NE Brasil comprises the central part of a wide Pan-African-Brasiliano orogenetic belt that formed as a consequence of late Neoproterozoic convergence and collision of the São Luis-West Africa ...
U Pb and Sm Nd geochronologic studies of the eastern Borborema Province, Northeastern Brazil: initial conclusions
(1995-07-01)
The Borborema Province of NE Brasil comprises the central part of a wide Pan-African-Brasiliano orogenetic belt that formed as a consequence of late Neoproterozoic convergence and collision of the São Luis-West Africa ...
Recurring extensional and strike-slip tectonics after the Neoproterozoic collisional events in the southern Mantiqueira province
(Academia Brasileira de Ciências, 2012)
In Eastern South America, a series of fault-bounded sedimentary basins that crop out from Southern Uruguay to Southeastern Brazil were formed after the main collisional deformation of the Brasiliano Orogeny and record the ...
La Escalerilla pluton, San Luis Argentina: The orogenic and post-orogenic magmatic evolution of the famatinian cycle at Sierras de San Luis
(Pergamon-Elsevier Science Ltd, 2017-01)
Field relationships, geochemical analysis and two new absolute ages (LA-MC-ICP-MS U/Pb-zircon) allow the division of the La Escalerilla pluton (previously considered to be a single granitic body) into two different plutons: ...
Gênese e controle dos depósitos hematíticos-magnetíticos encaixados no Complexo Guanhães
(Universidade Federal de Minas GeraisBrasilPrograma de Pós-Graduação em GeologiaUFMG, 2019-06-17)
Horto-Baratinha (HBD) and Cuité (CTE) high-grade iron ore deposits (>60% wt. Fe) are located at the eastern margin of the São Francisco Craton, western part of the Araçuaí Orogenic Belt. The high-grade bodies are hosted ...