Wilson County Sec. 31, T. 30 S., R. 14 E

Section measured from bottom of creek about 300 ft. east of bridge upward up hill to the west and south to top of hill Measured By H.C. Wagner
	Unit No. Description Thickness 10 Sandstone - very fine grained, pale reddish brown (10R5/4) weathered and grayish orange (10YR7/4) fresh. Composed almost entirely of well sorted, subangular quartz grains. No mica, blocks of iron oxide common. Jointed and breaks into large blocks 2 - 3 ft. thick and 4 x 5 ft in width 14 ft. 9 Covered interval - two pronounced topographic benches occur 45 ft. and 58 ft. above the base. Represented by concentrations of sandstone blocks 104 ft. 8 Limestone - hard, brittle, vertically jointed N80E, N40W, and N10E. Color medium dark gray (N4) fresh, yellowish gray (5Y7/2) weathered. Contains prominent Cryptozoan, and some Neospirifer crinoid stems, ramose bryozoans, productid spines; fusulinids sparce to moderate 2 ft. 7 Claystone - clean, olive gray (5Y4/1) fresh, grayish yellow (5Y8/4) weathered. No bedding. Breaks into angular blocks 0.1 ft. or less in size. Contains a 0.4 ft. bed of Myalinas and some crinoid stems about 9 ft. from the base. 9.3 ft. 6 Limestone - impure, grayish orange (10YR7/4) to pale yellosih orange (10YR8/6). Weathers readily into angular flattish chips. No apparent bedding. Locally nodular and contains veinlets of calcite and dolomite (pink) or rhodochrosite? in nodules. Also magnetite? Sparsely fossiliferous including Derbyia, Osagia, productid spines, crinoid stems. Hard, light gray (N7) to yellowsh gray (5Y7/2) crystalline, limestone near upper contact (about 2 inches thick). Overlain by impure punky algae, fossiliferous limestone (2 ft.) 1.5 ft. 5 Shale - silty, and siltstone, light gray (N7) interbedded, fissile; becomes yellowish gray (5Y7/2) in upper 10 ft. finely micaceous on bedding planes 30 ft. 4 Sandstone - very fine grained, poorly bedded, lenticular, micaceous speckled with limonite white (N1) 1.2 ft. 3 Shale - silty, light olive gray (5Y6/1) fissile poorly ripple marked. Contains a 0.5 ft. siltstone bed at center 3.2 ft. 2 Sandstone - very fine grained, micaceous, light olive gray (5Y5/2) weathered, yellowsh gray (5Y7/2) fresh but iron stained to dark yellowish orange (10YR6/6). Grains are mostly well sorted subrounded quartz. Much carbonaceous material (finely broken) on bedding planes accompanied by very small white mica flakes. Cross bedded. Vertically jointed. Joints trend N70E & N30W 0.8 ft. 1 Shale - silty, light olive gray (5Y6/1) that contains thin siltstone beds interbedded, siltstone beds weather dark yellowish brown (10YR4/2) and are moderate yellowish brown (10YR5/4) on fresh surfaces. They are thinly laminated with light colored clay. Micaceous, ripple marked 1.5 ft.
Original Document Download an archival scan (file is 4-5 megs in size). The Archive file you download contains a TIFF image compressed into a ZIP archive. Your browser may be already set up to decompress these files. Commercial software to perform this is available from PKWARE, Inc., the company that invented the format. A web page from a group of people creating shareware or public domain software is available at Info-ZIP. The TIFFs are 150-dpi archival-quality color scans of the original forms and can be viewed by software like Corel PhotoPaint or Adobe PhotoShop.