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Geology
2 min read
More than two billion years ago, the first bacteria oxidized entire oceans of soluble iron, depositing the mineral that sustains civilization today.
Geology
2 min read
In southern Iran, colossal salt domes breach the Earth's crust and slide down arid slopes in an unusual display of active diapirism.
Geology
2 min read
How trillions of prehistoric microbes oxidized the oceans and forged the world's largest ore deposits.