-136- Section 5 contd. Thicknes (feet) 4. Conglomerate, chert and quartzite pebbles dominate over limestone pebbles, several lenses of brown sandstone. . . . . . . 15 3. Covered, probably conglomerate . . . . . . . . . 12 2. Calcirudite, cobbles are limestones of many lithologies, a small percentage of chert pebbles . . . . . . . . . . . . . . . . . . . . . 160 1. Covered . . . . . . . . . . . . . . . . . . . . . 15 Folded Gaptank formation below. Section 6 This section begins at the base of the Ienox Hills es- carpment 2 1/4 miles N 70° W of the Decie ranch house and continues up the section to base of the escarpment-forming limestone. Top of section Thicknes (feet) Leonard Formation 40. Limestone, gray weathering, organic frag- mental, biohermal in part, coll. 6-40. . . . . . not measured 39. Sandstone, light brown weathering very fine quartz sand, medium laminations . . . . . . . . . 8