Field Notebook: WY 1955a
Page 71
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
4.8 Shale, black, clay fissile. To ditch bottom. On down hill cuts next are in obvious slump blocks. (Upper 4' = Sample 7) From base mud (3.3 above) in slump block, micaceous down - this section only approx. 6.7 Shale, blk, fissile, with thin shale zones & laminae at top then thin ss 2.7 above base which loc is conc. (Sample 8) 0.3 Sandsstone yellowish grey fine grt laminated sandsh ptsns 1.2 Shale black-fissile (Sample 9 in part) 0.6 Sandsstone, lzn, as in 0.3 zone (N). Containe local large Fe Browneth calx concs. 4.9 Shale, dk grey to black with thin inter beds of sandstone and siltstone, (Sample 9 in part) 3.5 Shale, dk gray to blk, fissile 35