Field Notebook: Texas 1959
Page 25
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Transcription
26) Siltstone, yellow-orange, becoming near top was a fenestellid heaven ---------24'. 27) Covered, mostly gray shale ---- 87'. 28) Conglomerate, chert frags, brown weathering, many bryos and brachs silicified ---- 1.5'. 29) Covered, mostly gray shale and a few 6" silt and s.s. (orange) bed-shell hashes - ----146'. 30) S.s., orange-brown, brach shell hash, Collection 5-30 (Leonard ) - ---------12'. 31) Covered - 86'. 32) Word limestone. Here it has a s.s. at the base, 2-3' beds orange to brown- grey; 20' above we get a massive calcirudite.----100'+ PG. 38 7/18/59 Rained out--Saw G.A. Cooper and Dick Grant in town 7/19/59 Section 4 [ +- King's section 23] 1) Silt --- 20'. 2) Shale, brown, with thin clay rich dolomitic limestone ---72'. Collection 4- 2; 6' down from top. 3) Limestone, brown-gray weathering with large calcite crystals - -----4'. 4) Shale, brown, and thin limestone. 4-4A - 5' up. 4-4B - 11' up. - --- 23'. 5) Limestone, brown-gray, 2' beds, calcite crystals in long "bodies" - ------13'. [9/2000 Middle transgression in Lenox Hills Fm] Top of Lenox Hills Fm with an unconformity with 5' to 8' relief in 200 yards - 6) Limestone, medium to dark gray, calcarenite, many fusulinids - 2' to 4' beds. Collection 4-6A - --- 3' up. PG. 39 and shaly limestone - 'snail' limestone Coll. 4-6B is 15' up, Coll. 4-6C - 23'. {note: illustration followed}. 2 cycles of limestone 6' to 8' and shale 18'-20' --- 52'. 7) Limestone, light gray, with brown-orange chert concretions - massive. Collection 4-7A - ---- 16'. 8) Shale and limestone, brown and light brown weathering - varicolored shales and white ss. 25' up - --- 32'. 9) Limestone, brown-gray, 4" to 3' bed - mottle zone 1' at base. Small recrystallized Staffella are common throughout -17'. 10) Shale and shaly limestone - 6" bed of white s.s. --- 12'. 11) Limestone like 9 - 10'. PG. 40 [base of Hess Ls.]