Field Notebook: Texas 1957b
Page 43
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
PG. 59 [apparently skipped number so there is no 7 here.] 8) Sandstone (and Conglomerate locality); contains many shell fragments, light to medium orangish-brown. Collection 8/20/57/14; 7'. 9) Sandstone, (Calcarenite with ferrinous and silica replacement?) many shell frags; and shale, poorly exposed; 55'. 10) Sandstone, yellowish-tan, silicified fossils and band of darker silicification. Conglomeratic to about 25%. 3'; 8/20/57/15. 11) Covered, 15'. 12) Sandstone, tan, coarse to very coarse; much lime in form of shell frags. 8". 13) Covered, 35'; several very coarse sandstones, and a poorly consolidated conglomerate near top. 14) Limestone, most is shell hash; yellow-tan weathering; chert and quartzite pebbles. Up to about 40%. Two units - 8'. 8/20/57/16. PG. 60 15) Covered, 70'. 16) Sandstones, orthoquartzites, in 3" to 5" beds, light brown with darker iron stains; well sorted, very fine laminellar bedding. (Old beach?) 270', of this, the upper 200' are badly covered, but the float indicates the same general type of lithology. Many shale intervals are probably thus, covered. 17) Sandstone; orange-brown very conglomeratic (granular) 30%; a few shell frags. 1'. 18) Covered, 62'. 19) Sandstones, deeply iron stained, 3" to 6" and shales, 1'-2'; grayish; 46'. 20) Sandstone, light brown to medium brown, a few conglomerate pebbles up to 2" diameter. 6" beds. Collection 8/20/57/17. Shale, 1' to 3' between. 20'. Top of exposure near RR abutment PG. 61 Section 34 is extremely incomplete section of P.King's western Gaptank facies. The 1957 Spring field trip of the Prm. Basin claims there have been Wolfcampian fusulines found in these sequences but gives no localities. Darn their hides!! So far I've just been able to stab in the dark. PG. 62 8/21/57 Sect.35 Leonard Mt. SW side {note: illustration: 7/23/58/1; 200' Gaptank: 7/23/58/2; 150' bed 4: 8/21/57/1 bed 5: 8/21/57/2 bed 6: 8/21/57/3 bed 8: +- covered; 8/21/57/4 BM: 5860}