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Rich Ore Deposits Linked to Ancient Atmosphere

Space & Earth / Earth Sciences

Nov 19, 2009 | 4.3 / 5 (3) | 0

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...