Results 31 to 40 of about 62,283 (208)
Geology, petrology, and geochronology of 2.03 to 1.98 Ga arc magmatic granites from the Novo Mundo Complex: implications for the Amazonian Craton tectonic evolution [PDF]
Brazilian Journal of GeologyThe Novo Mundo granitic Complex lies in the southernmost margin of the Amazonian Craton, Brazil. New petrological, geochemical, U–Pb and Sm–Nd isotopic data allow us to propose a new petrogenetic model for granite genesis in the southernmost portion of ...
Adriana Araujo Castro Lopes +3 more
doaj +2 more sources
Mineral chemistry of paleoproterozoic volcano-plutonism from the São Félix do Xingu (PA) region, Amazonian Craton [PDF]
Geologia USP. Série Científica, 2014 The Sobreiro and Santa Rosa formations are result of large paleoproterozoic volcanic activities in the São Félix do Xingu (PA) region, SE of Amazonian Craton.
Raquel Souza da Cruz +6 more
doaj +1 more source
Journal of the Geological Survey of BrazilThe Amazonian Craton corresponds to one of the largest Precambrian areas in the world, with approximately 430,000,000 km², including important metallogenic provinces.
Leda Maria Fraga +8 more
doaj +1 more source
Rb-Sr Geochronology and Geochemical Characteristics of Mafic Dikes in the Nova Lacerda and Conquista D´Oeste Region, Mato Grosso, SW Amazonian Craton [PDF]
Geologia USP. Série Científica, 2009 In the Nova Lacerda and Conquista D’Oeste regions, Mato Grosso State, SW part of the Amazonian Craton, mafi c dikestrending NNW intrude the Nova Lacerda Granite (1462 ± 12 Ma), within the Jauru Domain, in the Rondonia-San IgnacioProvince (1.55 - 1.3 Ga).
Amarildo Salina Ruiz +3 more
doaj
Paleomagnetism of the Amazonian Craton and its role in paleocontinents
, 2016 : In the last decade, the participation of the Amazonian Craton on Precambrian supercontinents has been clarified thanks to a wealth of new paleomagnetic data.
Paul Yves Jean Antonio (6149753) +3 more
core +1 more source
Journal of the Geological Survey of Brazil, 2022 The Alto Guaporé Belt represents a key component in the investigation of the geological history and reconstruction of the SW Amazonian Craton. Airborne geophysical, isotopic and geochronological data integrated with field data have provided new insight
Carlos Eduardo Santos de Oliveira +2 more
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Brazilian Journal of GeologyOn the southern edge of the Amazonian Craton, the Mirassol d’Oeste and Guia formations constitute the cap carbonate of the Araras Group. Petrography, X-ray diffraction, and quantification of terrigenous material allowed the identification of detrital ...
Nayra Michelly das Chagas Souza +3 more
doaj +1 more source
Journal of the Geological Survey of Brazil, 2022 Archean and Paleoproterozoic granitoids with different geochemical affinities are widely distributed in the basement of high-grade metamorphic rocks of the Bacajá Domain, which consists of Rhyacian granite-greenstone terrain with Archean-Siderian ...
Cleberson Vieira da Silva +2 more
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A XENOLITH-BASED LITHOSPHERIC TRANSECT OF THE SLAVE CRATON, N.W.T., CANADA [PDF]
, 2012 During the last decade, the Canadian Slave craton has emerged as an important global diamond resource. Recent work on the sub-continental lithospheric mantle (SCLM) beneath this craton has yielded tantalising suggestions about its structure and ...
MATHER, KATHLEEN,ANN
core
Crustal thickness and Vp/Vs database from the Amazonian Craton and adjacent provinces
, 2017 This database includes results of crustal thickness and Vp/Vs estimated from stations located in the Amazonian Craton and adjacent provinces. If you used this database, please cite: ALBUQUERQUE, D. F. et al.
Cristobal Condori Quispe +6 more
core +1 more source