Field Notebook: CO 1951c
Page 47
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Transcription
1.0 Sandy shale + fine ss, essentially a shaley unit but quartz let into dk gray sandy sh. + sh, which stains buff. Locally sh is calcite st bds Conglomerate + cql. ss, chnt pebble jam. 1.0 +/- Discount, 14.0 Sandstone, massive x low buff weather. Medium to coarse with occ. chert pebbles in lower ql, many plant stem frzgs Interwdded. ss as above, and cql. ss, + sandy sh, dk, with chrt frzgs -- All highly leat. Many plant stem frzgs 3.0 Sandstone, massive x low, chiefly med. brownish weather with pink czst. Minor coxus 1.2 + dk gray sandy shale with plant frzgs and locall sandstone with plant frzgs at base. Discount 18.3 Sandstone, Massive, light grey weather buff with pink czst, coarse, turned with zones cql, thruout, lower few feet locally light gray due to mixture of argill. material. This unit varies in thickness from about 10 to 25 feet. Meas. here is about over 75' and local. Literally leuses of green silky chrysotone come in to break up the unit into several benches of sandstone. Also ss locally gets quite argillaceous and cql bones few in these areas. Discount, 22