Mineralogía de ganga principal y subordinada

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Mineralogía de ganga (principal y subordinada): Predomina el cuarzo y la pirita. Puede haber baritina; los carbonatos están ausentes.
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CV: covelina, luzonita, enargita, pirita, marcasita, calcopirita, trazas de esfalerita, azufre, oro. TN: calcopirita, tenantita, pirita, esfalerita menor y trazas de galena. Zonación de alteración en yacimientos epitermales de alta sulfuración
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Estructuras silíceas en yacimiento Marte Marte es un pórfido aurífero de la franja de Maricunga con sobreimposición epitermal de alta sulfuración (“telescoping”).
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Alteración hidrotermal ligada a sistemas epitermales de alta sulfuración
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Alteración a sílice oquerosa o residual (vuggy silica) de un pórfido , Distrito El Indio Brecha de diatrema con silicificación de la matriz de roca fínamente molida y alteración a sílice oquerosa de los clastos porfíricos, interpretados como fragmentos de intrusivos, Veladero, Argentina Alteración a sílice oquerosa o residual (argílica avanzada) en sistemas epitermales de alta sulfuración
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Toba riolítica zona de El Indio “Toba Amiga”, Mioceno Fresca Toba riolítica zona de El Indio “Toba Amiga”, Mioceno Alteración argílica avanzada
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Alteración argílica avanzada cuarzo-alunita y venillas de alunita Salitrales Sol Poniente Can Can
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  • Spring '17
  • jj
  • España, Azufre, Sulfato, Pirita

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