Field Notebook: Texas 1957b
Page 57
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Transcription
July 20, 1958 Collection in N.C. Texas Wichita gap near Coleman and Santa Anna, Texas. Collection 7/20/58/1 - 2.5 miles east of first crossroad east of Santa Anna - This is Saddle Creek mbr. Collection 7/20/58/2 - _?_ SE of crossroad in Camp Colorado limestone mbr. - purple limestone. 7/20/58/3 - along secondary road SE of previous collection in Stockwether limestone mbr. - no fusulines. This was a silty red-purple nodular limestone with many brachs, bryozoans, echinoid spines, and crinoid calcimuals. The lower part is a pelcypod cocinna with some gravel. 7/20/58/4 - about middle of Waldig sh mbr. - abundant fusulines - fine calcarenite - reddish purple color. 7/20/58/5 - 50 yards west of creek on secondary road at junction to farm road up hill. Fine grained calcarenite light gray to medium gray. PG. 82 7/20/58/6 - Roadside park roadcut, about 4 miles SE of Coleman, Texas. Coleman junction limestone. no fusulines but many "Rhynchonella" brachs. and one Productidea. 7/20/58/7 - Overall limestone mbr. 3/4 mile SE. Coleman on bypass U.S.67 - bryozoans. PG. 83 7/22/58 Gaptank area The lower Gaptank along the old F. Stockton Road has several limestone beds in it. [Upper Haymond (limestone and sh mbr.) This is locality #1]. Section 40 {note: illustration: S ---> N (1) Dip 32° NW Dip 80°S bed 1: Haymond bed 2: C. 15' bed 3: Limestone, 7' gray rugose coral bed 4: C. 10' bed 5: 15', rugose and Chaetetes; light brown limestone, C. 3', bed 5b. bed 6: 7/22/58/1; fusulines bed 7: Brown ss, 2'. bed 8: Covered, 100' bed 9: Brown ss, cover 30'. (2) Dip 80°N bed 10: Calcarudite, medium gray cross bedded at top. bed 11: 7/22/58/2; grades to siltstone and limestone; cover 40'.