Drill Core, University of California, Riverside (IMAGE)

University of California - Riverside

Drill Core, University of California, Riverside

Caption

Drill core of shales and siltstones of the Lady Loretta Formation. The brown layers -- rich in iron-carbonate -- are a tale-tell sign of ferruginous conditions in the ancient ocean.

Credit

Peter McGoldrick, CODES ARC Centre of Excellence in Ore Deposits, University of Tasmania

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