Dissertation: Texas 1960
Page 21
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Transcription
-134- Section 4 contd. Thickness (feet) 12. Limestone, light gray weathering, dense and massive, coll. 4-12. 3 11. Conglomerate, chert and quartzite pebbles, 1 to 2 inches in diameter 0 to 2 10. Limestone, light brown-gray weathering, well bedded in 1 to 4 foot beds, lower 6 feet contain brown chert pebbles, coll. 4-10, Schwagerina hessensis, S. hawkensi, S. tersa, S. nelsoni, S. crebrisepta, S. diversiformis, S. compacta?, Parafusulina schucherti? 26 9. Calcirudite, boulders 4 feet in diameter, very chert pebbles, massive beds 44 Lenoxhills Formation 8. Covered 25 7. Siltstone and shale, brown to light brown weathering 2 6. Calcarenite, like unit 4 1/2 5. Sandstone, light brown, very friable 2 4. Calcarenite, dark brown on fresh surface, con- tains fragments of brachiopods and crinoids, and a few fusulinids, coll. 4-4, Schwagerina knighti 2