Field Notebook: SD, CO, WY 1967
Page 59
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Transcription
Unit 13 +19, 28' (18) Sedstone, w/eth lite gray rounded massive oltzerp with faint subll to x izmrzhrw. Fmo grd. Beginning ±8.0fth has Ophio in s2nd marked by clay pellet outlines also loc. conc with Ophio tubes w/eth to holes. About 1or2' above mid of unit s2nd gives way to sultclay with spindle burrows and clzycy s2nd with 0.4 conc s2nd czp. - This unit about 1.8 thick. Then move s2d t/clay with tubes + 6 to 8" conc czp. Czps gray conc ss - clay pellet zones Vert burrows incl. Ophio, sparsely - most vert burrows prob. upper end of spindle. Unit 14 (Dip 20°, N35 E +25°, 53' (37) s2nd, 2s below, light gray with loc. bright yellow stain. Faint lam xizm visible fg some Ophio in pellet forms. Lower 4' irveg concize s2d continuous with ledge top of Unit 13. Hzs "czunonball" concs wrapped in ledgy material. Top v. loczl conc plzty bed same trails 27