Field Notebook: Texas 1957a
Page 78
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Transcription
68 53) like #50, 1/2" to 1" pebbles, 5' This grades laterally into 6' of gray + yellow- shale + siltstone. Collection 7/9/57/1 54) Sandstone and Conglo. 3" to 3' Lenticular Leds. Conglo. 2" diam mat. sand in mostly Calcareite, 10' 55) Covered 6' - mostly gray to greenish gray siltstone. 56) A multicycle(?) unit like #50, 3" cobbles 1' to 1 1/2' per subunit. 9', calcareite sandstones are very fine to fine size. 57) Sandstone - very silty, + very fine sand eyes greenish yellow brown weathering, 3' rude ledge 1/2" to 1" pebbles 4 1/2' 58) Calcareite & Calcarenite - 4" to 6" silt parting 2 1/2 gray to slightly yellow gray weathering. 59) 57' covered. 69