đ§Ș Study Shows Gold Can Form Even in Ultra-Dilute Water Conditions
New research from China has directly observed gold forming and concentrating from extremely dilute solutions â as low as 10 parts per billion in water â thanks to a dense liquid layer that forms on pyrite surfaces, challenging traditional theories on how gold deposits form.
Key Facts:
âą Scientists watched gold precipitate on pyrite crystals within minutes during experiments with water containing very tiny amounts of dissolved gold.
âą The study reveals a microscopic process where pyrite attracts and concentrates gold over time, even under common environmental conditions.
âą This reshapes understanding of gold deposit formation, showing deposits can accumulate gradually from sparse sources over geological time.
Expert Insight:
Researchers say the discovery broadens how geologists think about ore genesis â gold doesnât always need extreme heat or deep fluid systems to concentrate; microscopic surface chemistry can drive accumulation too.
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