161 resultados para mountains

em University of Michigan


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Proceedings of the Iowa academy of sciences. v.12, p.87-100, pl.22-27, 1905.

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At head of title: Canada. Department of mines. Geological survey branch.

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Cover title.

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11 31/32 in.x 8 35/64 in.; ink, opaque watercolor, gold and silver on paper

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Part of the Salt Wash sandstone outcrop on the southwest rim of the Lukachukai Mountains is strongly mineralized in cross-bedded, channel sandstone. The deposits are opposite the strongly mineralized belt on the northeast rim. A north to northeast ore trend is possibly related to the original Salt Wash stream system.

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Mode of access: Internet.

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Includes index.

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"December 1954."

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Salt Lake City, Utah, Salt Lake Area Office, United States Atomic Energy Commission.

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Mode of access: Internet.