Field Notebook: WY, SD 1955
Page 107
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Transcription
1.4 Shely, black, carbonaceous, Silty, locally grading to chrb silty siltst. 1.0 Sndstone, fine-grained, loci silty, and siltstone, gray to light gray, irreg. bedded, wefing, light brownish gray some Fc brwon on bedding surfaces. Has soft chrb fuzgs. 4.8 Irreg. interbedded dk gray to black silty shale, siltstone and minor light gray finegr ss. aeub fuzgs aboundzat thruout. Shely siltstona is dominant. Lower 1' t is a light gray shely siltst. 5.6 Sandstone, fine gr, tabular hard, in beds 0.4 to 2.0 with some shely siltstone partngs showing worm tracks + dinosaur foot prints? 0.8 Shely dk gray silty, interlam, and thinly interbedded with siltstone. 53