Dissertation: Texas 1960
Page 45
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Transcription
-146- Section 8 contd. Thickness (feet) 48. Siltstone, light gray-brown weathering, fills eroded upper surface of unit 47 which has 1 1/2 feet of relief, coll. 8-48. Smaller Foraminifera, sponge spicules, A coll. 8-48 47. Sandstone, light gray-brown weathering, mottled shades in irregular patches, very fine quartz sand, lenticular 0-1 46. Limestone, medium gray weathering, organic fragmental, lower surface irregular on eroded top of unit 45, siliceous upper 2 inches, edgewise conglomerate in part 1 45. Shale, medium gray, and siltstone, light yellow-brown 29 44. Sandstone, light brown weathering, medium gray- brown on fresh surface, fine quartz sand, very silty in upper portion 1 43. Shale, siltstone, and mudstone, light yellow-brown weathering, dark gray on fresh surface 42 42. Calcarenite, light yellow-gray weathering, organic fragmental, dominantly brachio- pods, crinoid columnals, echinoid spines and fusulinid fragments, A coll. 8-42 1