Dissertation: Texas 1960
Page 77
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Transcription
Section 12 contd. Thickness (feet) tumida, S. laxissima, S. knighti, S. hessensis, S. diversiformis, S. tersa, S. crebrisepta, S. bellula, Pseudo- schwagerina robusta, Parafusulina linearis, Triticitites kawensis (reworked), T. joensis (reworked?) . . . . . . . . . . 45 13. Calcarenite, orange-brown weathering, a few crinoid fragments and fusulinids, base of unit gradational with unit 12, thickens to west, coll. 12-13, Schwagerina hessensis, S. diversiformis, Pseudoschwagerina robusta, P. tumidus . . . . . . . . . . . . . . . 5-60 12. Calcirudite, brown-gray to tan weathering, up to 20 percent chert pebble; massive in lower part, 2 to 4 foot beds in upper part . . . . . . . . . . . . . . . . . . 75 11. Covered . . . . . . . . . . . . . . . . . 50 10. Calcirudite, brown-gray to tan weathering, some chert pebbles, massive, (coll. 12-10, Schwagerina extumida) . . . . . . . . . 220 9. Covered . . . . . . . . . . . . . . . . . 20 8. Calcarenite, medium gray-brown weathering, medium to coarse grain size, massive . . . . 30