Field Notebook: SD, ND 1962
Page 103
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Transcription
6) 11.5 Beaunotite shale and beaunotite, szudy zt brse with stringers Vfa szud. A local fill cut into underlying unit and locally cut out by overlying szud. Greenish grey to bluegreen beaunotite shzle worths to light bluish gray popcorn. This mezzuron, is maximum local thickness 7) 25.0 ± Szud fq, loc. some mudgr in lower part "Colgate type" grossly X bedded in talher X lznm bds O/B chips and some compressed coons, locally with Corbiculae. Locally this sand goes to fluted bedlznd type of colgate crap but under A station it is in steep slope + cliff + weather brow grey with poorly cloudedepd fluting. Coll #2 8) 5.5 Interbedded dk gray shzle wi plznt frags and fq ss. Clzy has silt in lminze, shzly where these ar czuk frags present, szud lzys 0.2 to 0.5 thick decrease upward. Grades to unit 9) Note- block in float with Corbiculae, beaunotite + other claus may be from this unit. 9) 17.0 Clzy, silty , qrazy loc dk gray a few siltz lzys in lower 2.0. At 6.0 purplish qray worth clzy, locally liginitic. Upper 3.0 has ligintic shzle leuses and some sandy stringers. This unit is variable laterally in amunt of COB, matter. Some Felstone coas loclly. 50