Field Notebook: Texas 1957b
Page 89
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Transcription
PG. 138 44) Covered, probably light gray to brown shale, 42'. Collection 8/22/58/4. 43) Sandstones, deep orange-brown weathering, very fine, silt high, very fine lamination, crinkled, 1.5'. 42) Sandstones, light green-gray, medium grained, cross bedded, lenticular; siltstone and shales varicolored to red to green; lenses are irregular, reworked Tenus or Haymond. 4' to 8' beds, 107'. 41) Covered - 34' probably like above. 40) Sandstone, light gray, cross bedded, 15'. 39) Covered - 85'. 38) Sandstone, light cream to light brown; medium grained, cross bedded, 6" to 1' beds, 18'. 37) Shale, red, 6'. 36) Calcarudite, 5" to 6" gravel, red shale and silt matrix - T. ventricosus in pebbles. Collection 8/22/58/5; 23'. PG. 139 35) Calcarudite, medium gray, some black chert and limestone pebbles, limestone cement and matrix - 15'. 34) Covered, probably red silt and shale and some limestone cobbles, 23'. 33) Calcarudite, medium gray, Calcite cement, 6'. 32) Covered, 25'. 31) Conglomerate, mostly non-limestone cobbles grading from ss in base, brown - 19'. 30) Repeat of above, 28'. 29) Covered, 34'. 28) Conglomerate, 13' like above. Collection 8/22/58/6 at top of bed 23, Sect. 16. Sect. 16 cont. 8/22/58/2 - bed 19 and 20, Sect. 16. PG. 140 Bed 5, Sect. 16 (40) - the lower rumble and shell hash portion thickens to the west and becomes massive and the upper part becomes shaly at the base and shale gradually replaces most of the limestone in a distance of 300 yards. (to the point below which Sect. 31 (39) starts). Bed 5, Sect. 16 final grades laterally in to brown-gray limestone in 1'-2' beds about 400 yards west of Sect. 16 (40) - There, it is cut by a NNE treading fault which has drop the cast side down about 15' stratigraphical. Collection 8/22/58/8 anthill at top of eastern side of fault. West of Sect. 30 (38) the upper portion of King's third limestone (bed 11, Sect. 30 (38)) becomes massive in 2'-3' beds, crinoidal frag - forms little knob in valley. Dips on this outlier are from 25-70 N. Bed 7, Sect. 32 (39) is equivalent to bed 24, Sect. 30 (38). Bed 9, Sect. 32 (39) = Bed 12, Sect. 30 (38). PG. 141