Icon Industries Ltd. - HR Photo Gallery - Thinly bedded diatomaceous sediments in the Cottonwood Basin.

Thinly bedded diatomaceous sediments in the Cottonwood Basin.

Thinly bedded diatomaceous sediments in the Cottonwood Basin. These become highly opal altered in areas of hydrothermal alteration.

You can view the Previous HR Photo Gallery item: Partially reclaimed Bell Springs pit, looking southeast.

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