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Marine Sand Shale Copper Deposit

The total amount of copper in each bed is generally higher where the bed is thick, and thickness, in turn, seems to be greatest in areas that were hollows away from the main channel or channels of the ancient delta. Copper content of the shale beds typically decreases as their sand content increases.

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Crain's Petrophysical Handbook Depositional Environment ...

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Gold Occurrence In The Cretaceous Mancos Shale - …

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Bedrock Geology Of Ohio - Ohio History Central

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Marine Sand Shale-Hosted Copper Mineralization Model …

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