Field Notebook: Texas 1959
Page 96
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Transcription
1/18/59 - rainout - Saw G.A. Rogers Dial grad in town. 1/19/59 Section 4 1) Sil - 20' 2) Shale, brown, with thin clay-rich dolomitic ls. 72' Coll. 4-2 - 6' down from top 3) Ls., brown-gray weathering with large calcite crystals - 4' 4) Shy brown, + thin ls. 4-4A - 5' up 1-4B - 11' up 23' 5) Ls., brown-gray - 2' beds, calcite shales in long "beds" - 13' --> Top of Olenekian Fm. <-- underlapped with 568' relief ~ 200 yards - 6) Ls., mid to dark gray, calcareous, many juvenile ls. 244' beds. Coll. 4-6A 8' up and shaly ls. - sandail w. 15' up (4-6B) 4-6C - 83' 4-6C 2 cyclical ls. 6' to 8' + shale 18'-20' 52' 7) Ls., light gray, with brown-orange chert concretions - massive Coll. 4-7A - 16' 8) Sh. + ls., brown + light brown weathering - [varicolored shales] + white ss. 25' up] 32' 9) Ls., brown-gray 4" to 3" beds - mottled zone 1' at base small red-bellied stepfella occur common throughout. 17' 10) Shale + shaly ls - 6" beds of white ss. 12' 11) Ls. like 9 10'