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Gran Colombia Gold Corp. Sandra K deposit. Colombia.
Mesothermal quartz‐sulfidic veins hosted in granodiorite rocks.
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Gran Colombia Gold Corp. Providencia deposit. Colombia.
Mesothermal quartz‐sulfidic veins hosted in granodiorite rocks.
Source: Segovia Amended PFS Update NI43-101TR (SRK)
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Gold Resource Corp, Arista deposit, Mexico.
Underground photo of narrow, low-sulfidation quartz vein
Drill core from Alta Gracia showing banded white to dark-gray quartz, open-space druzy quartz coatings, sulfides of pyrite, silver sulfosalts and arsenopyrite.
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Gold Resource Corp, Arista deposit, Mexico.
Colloform banded and crustiform quartz and banded sulfides of the Arista deposit from Mine Level 5 - note red banded mineralization in center (and throughout) is coarse ruby silver bordering banded quartz; view 0.5m wide
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Endeavour Silver Corp.
El Cubo silver project ore specimen.
San Francisco Vein, Stope 3-430, Showing Principal Banded Quartz-Amethyst Vein
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