Field Notebook: WY 1955a
Page 33
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Transcription
Gov't Canyon section cont from p. 12 1, 1 Siltstone, fine-gr, buff worth, Cross laminated, ripple marked. soft zone in upper 0.2. 7.0 Siltstone, fine-gr, buff worth 1zm to cross 1zm, thin bedded. [illegible] 1-2 ft fairly good solid ledge, rest shelves, Some interbedded sandy sh in upper 1.5. 6.1 Shale with some silt inter beds. Breakdown 2.8 Shale, gray to dk-gray, very silty in lower foot; in upper 0.6 (Sample 3/2) 1.8 Siltst. + shly silt, silt beds sandy up to 0.4 1, 0 Gray, silty sh. 0.5 Pink to reddish purple sh becoming sandy at base. 3.4 Siltstone and silty claystone. silty gray claystone with siltst. interbeds in lower 0.5 grading to siltstone 16