Field Notebook: WY, SD 1955
Page 89
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Transcription
carries the uranium at the Carlie Mine) Locally one of the sands in the clstn interval thickens and it grows those above and below to form a single unit of sandstone est. by Max and Bob to be at least 150 to 165 ft. locally. This happens in Black Gulch, lower half in the SE¼ sec. 34, T. 52 N., R. 66 W. Also is clstn zone above Top Lkote SS but not certain how much. Unconsolidated clayey & sandy gravels common feature of Lkote in this zone, and they contain polished pebbles as elsewhere. The top SS is above these, the lower, larger SS is both below and at least in part equiv. to them. Locally lower SS has brecc with soft beds – usually fairly coarse or gravely (See loc. A for good section of coarse lower beds – and on up into Fall River but top SS small or absent) Most unusual feature is the consistency of thick cyltc sandst. in this zone. Cgl at very base typified by abundance black chert pebbles 44