These steeply-dipping greenish-colored sand and shale beds in lower Gower Gulch. The rocks have a high volcanic ask content. The greenish color is from reduced-iron mineral content typical of sediments deposited in a lakebed.
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These steeply-dipping greenish-colored sand and shale beds in lower Gower Gulch. The rocks have a high volcanic ask content. The greenish color is from reduced-iron mineral content typical of sediments deposited in a lakebed. |
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