Every gold nugget in your pan started deep underground. In this episode of Gold Mining Tips, Andrew takes you on a journey into the Earth to explore how gold ore deposits form. You'll learn about hydrothermal veins, epithermal systems, porphyry and intrusion-related deposits, sedimentary paleoplacers like the Witwatersrand, and the microscopic Carlin-type deposits of Nevada.
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Key Topics Covered:
Why gold is everywhere and nowhere: crustal abundance vs ore-grade concentration Hydrothermal deposits: how hot, mineral-rich water forms gold-bearing quartz veins Mesothermal and orogenic gold — the great greenstone belt deposits Epithermal gold — shallow, volcanic-related bonanza veins Porphyry and intrusion-related deposits — the massive low-grade giants Placer and paleoplacer deposits — from modern creeks to the ancient Witwatersrand Carlin-type deposits — Nevada's invisible gold Prospector's Tip: the Ore Genesis Cheat Sheet for field identification From deposit to placer and back: tracing gold to its source The Earth's hidden architecture — understanding geology to find gold
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