Field Notebook: Texas 1957b
Page 33
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Transcription
2) Sandstones, orange-brown, medium sand size, quartz, ferrinous and calcareous cement, some shell frags. 8" to 1' beds, 6'. 3) Sandstone, brown-tan, medium sand size, quartz, calcareous cement; Cross- bedding probably current type, 3" to 1' beds, 9'. 4) Covered 12'. 5) Sandstone, orange-brown to tan weathering, 3' beds. 1' exposed, many big pieces of shells. Calcareous and ferrinous cement. Fossil wood! [3']. 6) Covered 8'. 7) Sandstone, brown to orange-brown, well sorted, fine grained; laminar bedding. PG. 44 2"-6" beds; 2'; 8/18/57/2. 8) Shales, green-gray, well bedded, some orange-brown siltstone horizons. 14'. 9) Siltstones; orange-brown, 3" beds; contains many fine shell frags, a 3" red sandstone, 8/18/57/3. 10) Shale, green-gray; with some siltstone and very fine sandstones, 47'. 11) Calcaremites; mostly organic fragmented, yellowish to orangish-brown; 4" to 6" beds, 2.5', 8/18/57/4. Green shale mud balls, up to 2" diameter. 12) Shale, green-gray, 15'. 13) Covered, 17'. 14) Like 12, 28'; siltstones, ferrinous, 2" occasionally, 8/18/57/8. 15) Covered; 41'. PG. 45 16) Shale and silt-sandstones, green shales, brown weathering silt-sandstone (very fine grain ss) ferrinous cement. 4" to 6" orange-brown weathering (gray) limestone (calcarenite), 1/16" to 1/8" laminellar bedding at top. 8/18/57/7. [? 15' thick?]. 17) Shale, green-gray, fairly silty. 5'. 18) Covered, 94'. 19) Shale, gray to green; some ferrinous 1" silty zone. 24', Collection 8/18/57/6. 20) Limestone, dark gray, contains pebbles of clay, and crinoid stem frags; lenticular, 0" to 8" beds with green-yellow shale and siltstone between. 5'. 21) Limestone, dark gray, massive, 21', upper part is limestone conglomerate and organic frag. 8/18/57/5. (This can be walked out to King #5 limestone of the Gaptank). ?? 22) Covered, 105' lower 10' are green-gray shale. PG. 46 23) Sandstone; very fine to fine sand size, calcareous cement; tan to brown weathering; 6" to 1' beds; well sorted, cross-bedding near top; 18'. 24) Limestone, light gray, massive, 6' to 6" beds; 52'. {note: illustion: bed 24: covered 12'; 8/18/57/11 bed 25: 52'; 8/18/57/9} top of unit has pink matrix like 6A of section 29. Collection 8/18/57/9, Collection 8/18/57/11.