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Wilson County

Sec. 13, T. 30 S., R. 13 E
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Section starts at NW corner 19-30-14 and goes west along rad to section 15-30-13
Measured By H.C. Wagner, 7/1953
Unit No. Description Thickness
4 Sandstone - very fine grained, white (N9) at base and light olive gray (5Y6/1) fresh upwards. Weathers pale yellowish orange (10YR8/6) Well sorted subangular to subrounded quartz grains. Blocks of iron oxide common. This is channel fill and fills channel in Robbins about 15 ft and must cut out a limestone that crop out in RR cut 1 mi. Nw at SW corner,, 11-30-13. The limestone is in 0.1 ft. thick beds, very impure, sandy and silty and micaceous, much ironstone replacement and many fossils including Juresania, Derbyia, Neospirifer, Osagia, Dictyoclostus, pelecypods, crinoid stems, Linoproductus. Overall thickness of limestone is 1 ft. Uppermost 0.1 ft. bed is dark reddish brown (10R3/4) and lower part is yellowish gray (5Y7/2). Above the bed 2 ft. is another thin limestone, very fossiliferous and above this there must be another that is almost solid fusulinids. I found float in several places but did not find it in place. The sandstone is in beds that average about 2 -3 ft. in thickness The fusulinid bed is about 2 ft. below the base of the Ireland and 3 ft. above the other limestones 55 ft.
3 Covered - apparently a shale, yellowish gray (5Y7/2) many ironstone concretions 53.2 ft.
2 Limestone - hard, brittle, vertically jointed N70E, N5E, Yellowish gray (5Y7/27) fresh and grayish yellow (5Y8/4) weathered. Fossils consist of abundant Cryptozoan, and a few Juresania, Linoproductus, crinoid stems, Derbyia, Meekella, fusulinids 1.5 ft.
1 Shale - or claystone, yellowish gray (5Y7/2), nonsilty, calcareous at upper contact. No fossils apparent. According to farmer Westphalia crops out in stream about 500 ft. North of road in CS1/2 13-30-13 where Vinland 9 ft. thick 5.5 ft.

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