Porphyry Gold Deposits - Cmi Capital Limited
Porphyry Gold Deposits - Cmi Capital Limited
Porphyry Gold Deposits - Cmi Capital Limited
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• Tectonic environment<br />
– Continental setting, inboard, commonly late<br />
• Age<br />
– Phanerozoic (Precambrian – Archean)<br />
– Intrusions = mineralization<br />
• Ore<br />
– Au, Bi, Te, W, Mo, As (Sb, Sn, Pb, Cu)<br />
– Reduced (no Mag-Hem), low sulfide (Po-Py-Apy)<br />
• Style<br />
CHARACTERISTICS<br />
– Sheeted, breccia, stockwork, flat-vein, disseminated<br />
(Thompson et al., 1999)
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