Marshall County Sec. 36, T. 4 S., R. 9 E

1 mile southwest of Sullivan Siding, SE 1/4 SE 1/4 sect. 36 Measured By M.K. Elias, 1932 Remarks: I-8
	Unit No. Description Thickness   Upper Hughes Creek shale member   32 Shale -- ft. 31 Limestone, with fusulinids, Marginifera, and other fossils 8 ft. 30 Shale, gray 1 ft. 29 Shale, black 1.5 ft.   Vliets limestone bed   28 Limestone, with Bellerophon projecting on the top 1 ft.   Lower Hughes Creek shale member   27 Shale, with two thin limestone beds 5 ft. 26 Limestone 1 ft. 25 Shale, gray 4.3 ft. 24 Shale, black, splittery 0.2 ft. 23 Mudstone, gray, fossiliferous, with Chonetes, Spirifer, Meekopora, and crinoid and echinoid remains 3 ft. 22 Shale, dark-gray, splittery 6.7 ft. 21 Shale, black, fissile 0.5 ft. 20 Mudstone 0.4 ft. 19 Shale, gray 0.3 ft.   Americus limestone member   18 Limestone, massive fossiliferous 1 ft. 17 Shale, black, fissile 0.8 ft. 16 Mudstone, dark-gray 0.8 ft. 15 Shale, black, splittery 1 ft. 14 Limestone 0.8 ft.   Oaks shale member   13 Shale 0.2 ft. 12 Shale, calcareous, dark-gray, massive 1.4 ft. 11 Mudstone, mottled, light-green 0.3 ft. 10 Shale, calcareous, massive, green 2 ft. 9 Shale, dark-green, banded 7 ft. 8 Mudstone, light-green, fine sandy bands 2 ft. 7 Shale, dark-green 0.8 ft. 6 Shale, purple 0.8 ft. 5 Shale, black 0.5 ft. 4 Shale, green 0.6 ft.   Houchen Creek limestone bed   3 Limestone, mamillary, hard, with few pelecypods 0.35 ft.   Stine shale member   2 Shale, dark-green 1 ft. 1 Shale, dark-green, thin, fine, sandy, micaeous bands 5 ft.
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