2013
DOI: 10.5327/z2317-48892013000100015
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The Tocantinzinho gold deposit, Tapajós province, state of Pará: host granite, hydrothermal alteration and mineral chemistry

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Cited by 9 publications
(15 citation statements)
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“…The data are based on the cationic ratio of the chlorite The geological characteristics of the Tapajós region and the similar Northern Mato Grosso region point to the existence of Proterozoic magmatic arcs, which may have played an important role in the formation of gold deposits of different styles, including deposits related to granitic intrusions or to epithermal zones [5,20]. Various studies that have been conducted regarding the Tocantinzinho deposit have proposed different genetic models, such as reduced intrusion-related gold systems [8,[21][22][23][24].…”
Section: Methodsmentioning
confidence: 99%
“…The data are based on the cationic ratio of the chlorite The geological characteristics of the Tapajós region and the similar Northern Mato Grosso region point to the existence of Proterozoic magmatic arcs, which may have played an important role in the formation of gold deposits of different styles, including deposits related to granitic intrusions or to epithermal zones [5,20]. Various studies that have been conducted regarding the Tocantinzinho deposit have proposed different genetic models, such as reduced intrusion-related gold systems [8,[21][22][23][24].…”
Section: Methodsmentioning
confidence: 99%
“…Figura 4: Mapa geológico do Domínio Tapajós indicando alguns dos principais depósitos de ouro, incluindo o Depósito Tocantinzinho (Vasquez et al 2008b (Villas et al 2013). Na área do depósito, a forte ação hidrotermal produziu granito alterado e diferentes rochas hidrotermais, nas quais se hospeda a mineralização.…”
Section: Granito Porquinhounclassified
“…Esses processos hidráulicos podem ter sido resultado da exsolução de soluções aquosas dissolvidas no magma granítico, os quais migraram pelos espaços que foram abertos e neles precipitaram quartzo + clorita + sericita + carbonato (Villas et al 2013). Em todo caso, a falta de afloramentos dificultou a determinação do padrão das fraturas no Depósito.…”
Section: Granito Porquinhounclassified
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