Field Notebook: Texas 1957a
Page 88
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
78 7) LS, gray, rather fine shell hash. mostly fractured fragments recognizable 81 8) 14' covered 9) LS, gray massive, shell hard, 2 beds 6' sparated by 6" of LS rubble. 12 1/2' 10) Covered except - mostly a less resistant nodular limestone gray brown weathering blackized hard. 23' 11) LS, gray massive bedded 28' (blocked) 12) Covered 5' 13) LS, gray, rubbly at base 2 1/2' fin shell- 14) covered- 4' 7/10/57/7 79 15) Calcareite, cobbles 4" to 6" diam (largest); light brown weathering is matrix. This looks like the "New Eagle" in the Wolfcamp Hills 15' plus (eroded upper bed) Colored Picture 24 or 25 - of a "typical" (?) cyclic sequence of wolfcamp. 1) gray-yellow shale 2' to 3 1/2' collective -> 2) redly and fully fossiliferous] 7/10/57/1 3) LS rubble 1' 4) Calcarenite 8" { orange-brown weathering 5) " 2'} This is probably not typical of the wolfcamp hills, but seems typical of eastern exposures on Brooks Ranch.