Dissertation: Texas 1960
Page 173
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Transcription
-210- Section 29 contd. Thicknes (feet) 1. Limestone, light gray weathering, or- ganic fragmental, lower 14 feet mas- sive, upper 5 feet massive, coll. 29-1, Triticites beedei, T. comptus, T. primarius, T. ventricosus . . . . . . . . . 22 Covered below. Section 30 This section begins 2.9 miles N 75° W of the Mont- gomery ranch house (old Dessie ranch) on the lower slope of the low escarpment and continues generally northward across a saddle and to the top of the northern most knob. Top of section Thicknes (feet) Gaptank Formation 22. Limestone, like unit 19 . . . . . . . . . . 21 21. Sandstone, green-yellow weathering, very fine quartz sand, calcite cement . . . . . 4 20. Limestone, like unit 19 . . . . . . . . . . 7 19. Limestone, gray to brown-gray weathering, organic fragmental, coll. 30-19, Triticites ventricosus . . . . . . . . . . 12