1497b8_c8542a0c1bbf484aa3456e78df4fedfa.pdf - Depsitos Epitermales MSc Ing Jorge ACOSTA ALE Lima Mayo 2013 Distribucin Global Hedenquist 2005

1497b8_c8542a0c1bbf484aa3456e78df4fedfa.pdf - Depsitos...

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Depósitos Epitermales MSc. Ing. Jorge ACOSTA ALE Lima, Mayo 2013
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DistribuciónGlobal Hedenquist, 2005
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CaracterísticasGenerales Dóndeocurren? Arcos volcánicos calcoalcalinosa alcalinos (toleíticosraros) Arcos volcánicos calco- alcalinos pH - Neutral, meteórico Baja- Sulfidación pH - Ácido, magmático Alta-Sulfidación Ambientes Subaéreos Principalmente entorno volcánico intermedianoa distal En rocas volcánicas o basamento Generalmente ambientes subaéreos, raramente submarinos Entorno volcánico proximal En rocas volcánicas, raramente en el basamento White and Hedenquist, 1995
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Marco Tectónico Arco continental Lydon, 2007
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Marco Tectónico Arco oceánico Lydon, 2007
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CaracterísticasGenerales Geometríade los depósitos Vetas espacio-abierto principalmente Mineral diseminado dominante pH - Neutral, meteórico BAJA-SULFIDACIÓN pH - Ácido, magmático ALTA-SULFIDACIÓN Stockworkson comunes Mineral diseminado menor Mena de reemplazamiento es menor Mena de reemplazamiento común Vetas subordinadas, localmente dominantes Stockworkmenor White and Hedenquist, 1995
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CaracterísticasGenerales Geometríade los depósitosde BS Tomado de White, 2006
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CaracterísticasGenerales Geometríade los depósitosde AS Tomado de White, 2006
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CaracterísticasGenerales Texturascaracterísticas vetas bandeadas drusas cuarzo masivo Cuarzo oqueroso(vuggy pH - Neutral, meteórico BAJA-SULFIDACIÓN pH - Ácido, magmático ALTA-SULFIDACIÓN
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  • Spring '17
  • Carbonato, Cinc, Cuarzo, Óxido de silicio, Vetas, ALTA-SULFIDACIÓN

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