Field Notebook: Texas 1959
Page 92
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Transcription
7) Covered in part, thin ls (darkgray) silicous shale -- King fault zone - but no fault here silty ls. + shaly ls - part - 18' 8) Calcaremite - light gray, massive, 2-3' beds, 16' 9) Calcaremite, dark gray ls. matrix, 6" bed 21' 10) Ls., light gray, 2' beds (calcaremite), one brown bed (call. 5-10 lens) 5'y - 20' 11) Calcaremite, dark gray matrix - 12 3" cobble 12) Ls., 2" crinoid columnal beds, light gray, 5-6' beds - shell knob - aren'ti- 5-12A - 3'y up 5-12B - 8'y up 38' 13) Calcaremite, dark gray ls. matrix, 2" cobbles 6' 14) Calcaremite, light gray grading virtually into shell beds - several of these cycles repeated -(3) - 37' 15) Shale, siliceous, red/orange - 33' 16) Conglo., ls. matrix few cobble, chert fragments - 2' -> 6'-7' to So East lags, 2' 17) Shale, orange - siliceous, platy. 32 18) Ls., light gray, massive, silicified crinois, fossils, chert frags, near top 56 19) Shale, orange-brown, with 1'-2' b. beds (conglomeratic chert pebbles) - 67' silicified coquina 20) Ls., light brown-gray, 2'-3' beds silicified beds 17'