Porphyry Gold Deposits - Cmi Capital Limited
Porphyry Gold Deposits - Cmi Capital Limited
Porphyry Gold Deposits - Cmi Capital Limited
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DONLIN CREEK (>25 M.oz.)<br />
(Ebert et al., 2000)<br />
• Geology & mineralization<br />
– Rhyolite dykes hosted in<br />
reduced flysch sediments<br />
– Magmatism & mineralization<br />
71 to 66 Ma<br />
– Fault controlled NE & NW<br />
strike-slip<br />
– Narrow Au-As-Sb-Hg veins in<br />
dykes>sediments<br />
– Ore within NNE extensional<br />
fracture zone<br />
– Epithermal/epizonal<br />
characteristics
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