Search Results - "Villas, Raimundo Netuno Nobre"
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Stable isotope systematics and fluid inclusion studies in the Cu–Au Visconde deposit, Carajás Mineral Province, Brazil: implications for fluid source generation
Published in Mineralium deposita (01-06-2015)“…The Cu–Au Visconde deposit is located in the Carajás Mineral Province (CMP), northern Brazil, near the contact between the ca. 2.76 Ga metavolcano-sedimentary…”
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The Cristalino IOCG deposit: an example of multi-stage events of hydrothermal alteration and copper mineralization
Published in Brazilian journal of geology (01-01-2019)“…Abstract The Cristalino deposit is located 40 km east of Sossego mine, Carajás. The orebody lies along a NW-SE-striking shear zone and is mainly hosted by the…”
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Mineral chemistry and geothermometry of alteration zones in the IOCG Cristalino deposit, Carajás Mineral Province, Brazil
Published in Journal of South American earth sciences (01-06-2019)“…The Cristalino deposit, located in the Serra do Rabo region (Pará State, Brazil), is related to a hydrothermal system in which two major alteration stages…”
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A study of the hydrothermal alteration in Paleoproterozoic volcanic centers, São Félix do Xingu region, Amazonian Craton, Brazil, using short-wave infrared spectroscopy
Published in Journal of volcanology and geothermal research (01-10-2015)“…Hypogene hydrothermal minerals have been identified by short-wave infrared spectroscopy in hydrothermally altered rocks from the Sobreiro and Santa Rosa…”
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Paleoproterozoic volcanic centers of the São Félix do Xingu region, Amazonian craton, Brazil: Hydrothermal alteration and metallogenetic potential
Published in Journal of volcanology and geothermal research (15-06-2016)“…Geological, petrographic, scanning electron microscopy, and X-ray diffraction studies revealed hydrothermalized lithotypes evidenced by overprinted zones of…”
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Phase separation, fluid mixing, and origin of the greisens and potassic episyenite associated with the Água Boa pluton, Pitinga tin province, Amazonian Craton, Brazil
Published in Journal of South American earth sciences (01-03-2009)“…Based on petrographical data, three types of greisen have been characterized at the western border of Água Boa pluton: siderophyllite–topaz–quartz greisen…”
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Geological setting, isotope studies (C, O and Pb) and associated metals in the Tocantinzinho gold deposit, Tapajós domain, Tapajós-Parima Province
Published in Geologia USP. Série científica (01-03-2013)“…The Tocantinzinho ore deposit is located along a NW-SE-trending lineament, southwestern of Itaituba (Pará, Brazil), and is the largest known gold deposit of…”
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Insights on the magmatism, crustal evolution and metallogenesis of the Amazonian craton
Published in Journal of South American earth sciences (01-02-2009)Get full text
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Contexto geológico, estudos isotópicos (C, O e Pb) e associação metálica do depósito aurífero Tocantinzinho, domínio Tapajós, Província Tapajós-Parima
Published in Geologia USP. Série Científica (01-03-2013)“…O depósito Tocantinzinho, localizado em um lineamento de direção NW-SE, a SW de Itaituba (PA), é atualmente o maior depósito aurífero conhecido na Província…”
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