Field Notebook: WY, SD 1956
Page 133
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Transcription
7 2.1 Sindstone is in next ss below, becoming [illegible] at top and grading imperceptibly into unit above. SS is very fine gr. Thickens 1st (w) to 10'+ + joining ss! below. To E eventually cuts out 2t base of the channel unit 9 below 8 5.6 Siltstone, grey, massive, blocky, locally clzgy, spherulitic in upper few inches. Pinched out locally to E as SS above cuts down - or that below rises? 9 3.0 Sizdstone, fine-grained, starts as wedge-edge(w)and thickens cstward. Here it is 30' from wedge edge. Weatheres yellow brown with czp and bzzz1 0,3+ of dcrk Fe brown impreg. 10 19.0+ siltstone, gray, irreg bedded, with interbeds sudy siltstn and dk gray shly siltstn, loc. irreg. laminated. 11 3.0 Sundstone, fine-grained to very finegr, thin bedded, rip mxs + "worm" tr zils, some platy siltst interbeds Slope wash weathers yellow grey to brn. 65