Field Notebook: SD, ND 1962
Page 21
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Transcription
Ammunite (B-3) in float on surface this interval. 5 2.6 B.B., grey clayey sandy silt, & silty clay, lower 1.5 obscured by popcorn. Rusty zone at top. 6 3.4 Interbedded v.fq. sandy clayey silt to v.fq. sand, xlzm., 2nd silty clay, beds <0.1 to >0.5ft. D at top 7 5.7 Interbedded fq + vfq sand lzyeus + P.B's, 1.0 ss at base with local irreg c.coz cem, light grey masses., another 1.0 ss t starts 3.7 from base, and at top is 2 third. All have local light colored conc masses. (cf out) F of section A) E at base 8 7.2 Banded beds, with 0.5 vfq SS at top. 9 18.0 Banded beds, sand beds up to 0,4 + at 2.2, 4.5, 11.5 (tops) from base. F G at top 10 4.2 Sandstone, v.fq, clayey weith somewhat fluted, x-1zm to 1zm loc, with plant frags on bedding surf.; also layers OB conc. flzkes, local c.coz white wefthy, x 1zm masses in this interval. 11 5.2 Sand, as below, with numerous OB small & med (1.0) flat cones and OB stringers. Bed contorted, so we see some of the cones which obviously were plastic at time