-147- Section 8 contd. Thickness (feet) 41. Siltstone, yellow-brown weathering, grades upward into dark gray shale . . . . . 29 40. Calcarenite, light gray-yellow weathering, irregular lenses of light brown siltstone, a few fusulinids, algal masses, and other fossil fragments, coll. 8-40 . . . . . . . . . . . . . . . 3 39. Covered, one thin bed like unit 40, coll. 8-39. . . . . . 18 38. Siltstone, light yellow-brown weathering, with lenses of gray weathering cal- carenite . . . . . . . . . . . . . . . . . . . . . . . . . 9 1/2 37. Calcarenite, dark gray, fetid, weathers yellow-brown, fusulinids common, upper surface is planar, well sorted, coll. 8-37, Parafusulina schucherti . . . . . . . . . . 1 1/2 36. Shale, dark gray, and siltstone, light yellow-brown, these two lithologies grade laterally back and forth into each other coll. 8-36, smaller Foraminifera . . . . . . . . 16 35. Covered, probably dark gray shale . . . . . . . 12 34. Sandstone, light brown weathering, grades upward into siltstone and then into shale . . . . . . . . . . . . . . . . . . . . . . . . . . 9 33. Calcirudite, yellow-brown weathering, grades upward into calcarenite and then