-241- Section 40 contd. 3. Sandstone, brown-orange weathering, medium quartz sand, 3 inch to 1 foot beds, evenly laminated, some organic fragments alined on bedding planes Call 40-3 12 2. Covered 21 1. Limestone, brown-yellow weathering, organic fragmental, brachiopods, crinoids, Mollusca, Bryozoa, and fusu- linids 5 1/2 Covered below. Section 41 Section begins about 300 yards south of Gap Tank at the top of unit 17, Section 43. It extends northeast across several small faults. Units 6 through 10 were measured just north of the old Fort Stockton road. Top of section Lenoxhills Formation 10. Calcarenite, orange-brown weathering, in- creasing percentage of quartz sand upwards, upper portion of unit becomes a calcirudite, chert and quartzite pebbles locally dominate. 24