Field Notebook: WY, SD 1955
Page 31
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Transcription
All calt stuff clt + qtz in grzvu to small pebble size. Brszl cal thickens locally to 3.5 upper 1'5 is brown crchth, & locally has abundant carbonized plant frgs. 6.1 Clzystone, szndy & cleya Sndstone. Few scattered cht + cltzt grznucls. All clczrvous. Grzy to clrk grzy in middle pzrt, lighter qrey near brsa. Part C. - Approx section from bszc Morvcsch Headlevelling up from yellowish grey Sndstone talcn as brszl Morscsch. This is underlain by gray shale with czlc. concs, chalk in clozt. In the yellow ss - profh. 2't off top 2t most. Approx thickness is 4't but this only top of it - or within it 24.5 Clzystone, varing szld, chiefly obscured. czlc. 2.5+ Sndstone ledge, plzty lm. czlc. 14