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PETROGRAPHIC CHARACTERIZATION OF THE HYDROTHERMAL ALTERATION ZONES ASSOCIATED WITH GOLD MINERALIZATION IN GRANITIC ROCKS OF THE BATALHA GOLD FIELD, TAPAJÓS (PARÁ) - BRAZILPETROGRAPHIC CHARACTERIZATION OF THE HYDROTHERMAL ALTERATION ZONES ASSOCIATED WITH GOLD MINERALIZATION IN GRANITIC ROCKS OF THE BATALHA GOLD FIELD, TAPAJÓS (PARÁ) - BRAZIL
(Sociedade Brasileira de Geologia, 2017)
Resistance to chemical attack of serra do barriga stock ornamental granites – Sobral/CEResistência ao ataque químico de granitos ornamentais do stock Serra do Barriga – Sobral/CE
(2020-01-01)
Here is presented results from resistance to chemical attack provided by four types of granitic stock Serra do Barriga, through the loss of luster, color variations, minerals alterations, beyond the influence of petrography. ...
Applied mineralogy of zirconium minerals: a case study of alkaline intrusion in SE-Brazil
(2021-05-01)
Abstract: Brazil has important zirconium resources when compared with other countries. However, most of the zirconium production in Brazil occurs as coproduct of the mining and processing of heavy mineral sands for the ...
Geologia e identificação da paragênese mineral na mina dourada e correlação com minas da borda leste do complexo intrusivo Lavras do Sul – RS
(Universidade Federal do Pampa, 2017)
AIRBORNE GEOPHYSICS APPLIED TO MINERAL EXPLORATION AND GEOLOGICAL MAPPING IN THE SOUTHWEST SECTOR OF THE ORÓS-JAGUARIBE COPPER BELT, NORTHEASTERN BRAZILAPLICAÇÃO DA GEOFÍSICA AÉREA NA EXPLORAÇÃO MINERAL E MAPEAMENTO GEOLÓGICO DO SETOR SUDOESTE DO CINTURÃO CUPRÍFERO ORÓS-JAGUARIBE
(Sociedade Brasileira de Geologia, 2016)
Alteration mineralogy at the Cerro La Mina epithermal prospect, Patagonia, Argentina: Field mapping, short-wave infrared spectroscopy, and ASTER images
(Soc Economic Geologists, IncLittletonEUA, 2006)
A hydrothermal clay mineral assemblage at the Late Proterozoic unconformity in the Buenos Aires Complex - La Tinta Formation, Barker area, Tandilia Ranges (Argentina)
(Mineralogical Society, 2010-06)
A general alteration pattern of two transitional clay mineral assemblages was determined by petrography and X-ray diffractometry studies at the Tandilia Late Proterozoic unconformity zone, around the Barker locality: (1) ...
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 ...