Dissertation: Texas 1960
Page 131
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Transcription
-189- Section 22 contd. Thickness (feet) 35. Limestone, medium gray weathering, abundant fusulinids, units becomes more sandy and silty near base, coll. 22-35 (near top), Schwagerina lineanoda, S. guembeli, S. crassitectoria, Staffella? lacunosa . . . . . . . . . . 28 Lenoxhills Formation 34. Limestone, shale, dolomite sequence, yellow- brown weathering interval, 6 inch to 1 foot beds . . . . . . . . . . . . . . 75 33. Dolostone, brown weathering, very silty and sandy, 1 to 2 foot beds . . . . . . . 6 32. Covered . . . . . . . . . . . . . . . . 260 31. Calcirudite, light to medium gray weather- ing, cobbles up to 1 foot in diameter, very few chert pebbles . . . . . . . . . 38 Nealranch Formation 30. Covered . . . . . . . . . . . . . . . . 11 29. Shale, yellow to orange weathering, several siltstone layers, coll. 22-29, Smaller Foraminifera, Bairdia sp. . . . . 22 28. Limestone, orange-brown weathering,