Buscar
Mostrando ítems 1-10 de 64
Geochemistry of tholeiitic mafic rocks of the Neoproterozoic post-collisional Paulo Lopes Suite, Southern BrazilGeoquímica das Rochas Máficas Toleíticas da Suíte Pós-Colisional Paulo Lopes, Neoproterozóico do Sul do Brasil
(Instituto de Geociências /Universidade Federal do Rio Grande do Sul, 2005)
Geochemistry of the (meta-)mafic rocks from the Gonzalito mining district, northern Patagonia
(Pergamon-Elsevier Science Ltd, 2020-12)
In spite of hosting one of the most important Pb–Ag–Zn mineralizations in Patagonia, the metamorphic history of the rocks of the Mina Gonzalito Complex (MGC; east of the North Patagonian Massif) is still unclear. The complex ...
A Neoproterozoic age for the chromitite and gabbro of the Tapo ultramafic Massif, Eastern Cordillera, Central Peru and its tectonic implications
(ElsevierNL, 2011-12)
The ultramafic–mafic rocks of the Tapo Complex are exposed in the Eastern Cordillera of the Central Peruvian Andes. This complex is composed of serpentinised peridotites and metabasites with some podiform chromitite lenses ...
Geochemistry and Sr, Nd, Pb isotopic composition of the Central Atlantic Magmatic Province (CAMP) in Guyana and Guinea
(ELSEVIER SCIENCE BV, 2005-06)
The Central Atlantic Magmatic Province (CAMP) is one of the largest igneous provinces on Earth, extending more than 5000 km north to south, on both sides of the Atlantic Ocean. Its emplacement occurred about 200 Ma ago, ...
Sm-Nd Age of the Fazenda Brasileiro Gabbro, Bahia, Brazil: Example of Robust Behavior of the Sm-Nd Isotopic System Under Extreme Hydrothermal Alteration
(2003)
The Fazenda Brasileiro gold mineralization is hosted by a gabbroic sill, intrusive into metavolcanicmetasedimentary rocks of the Rio Itapicuru Greenstone Belt, São Francisco Craton. The 2.05 Ga old mineralization
is ...
Trace element geochemistry and Sr-Nd characteristics of Mesoproterozoic mafic intrusive rocks from Rondonia, Brazil, SW Amazonian Craton: Petrogenetic and tectonic inferences
(INT UNION GEOLOGICAL SCIENCES, 2008)
The Amazonian Craton comprises an Archean domain surrounded by four successively younger Proterozoic tectonic provinces. Within the Rio-Negro-Juruena province the Serra da Providencia Intrusive Suite (1.60 and 1.53 Ga) ...
Estratigrafia do Batólito Florianópolis, Cinturão Dom Feliciano, na Região de Garopaba-Paulo Lopes, SCStratigraphy of the Florianópolis Batholith, Dom Feliciano Belt, in the region of Garopaba-Paulo Lopes, SC, Brazil
(Instituto de Geociências /Universidade Federal do Rio Grande do Sul, 2008)