Field notes, central Kentucky, 1898
Page 84
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Transcription
6. At sharp angle in road where it descends to stream bed, 2 miles east of Rob't Parsons farm. A short distance S. of road corners next mentioned. Massive brecciated rock at top of Devonian, so much weathered as to be recognized only with difficulty. S.W. of meeting of 3 roads, between the Rob't Parson's road comes and the section described below, section several feet. Heavy beds of Dev. chert, thick. Corresponds to the heavy chert beds at top of Dev. in Lincoln Co., about 10 ft. below the base of heavy chert beds, numerous angular chert fragments occur in the soil. This is probably an Oxford clay section covered by chert fragments from above, 5 ft. clayey shale, 15 in. limestone, lump part after, 5 ft. clayey shale. 8 in. fairly hard limestone layer, 4 1/2 ft. irregular limestone, with interbedded slaty concretions at one much broken. 8 in. fossiliferous limestone, 4 1/2 ft. slightly gray limest. with interbedded irregular clayey beds 1/2 ft. limestone with large crinoid heads. 9 ft. Clinton limestone layers, more continuous. Base of Clinton = 1240. medium beds. Back of the farm at Rob't Parsons place there is a continuous section of 8-10 ft. of blue clay = probably the Oxford clay. 7. S.E. of Doc. Hunt's, 1 1/2 mi. S. of spike. Steep hillside descending northward along old road now abandoned. Upper Clinton section unknown, 1 ft. tender coquina, rotten. 3 ft. clayey shale and soft ark. 6 in. hard layer. 5 ft. 6 in. clay + broken limestone beds at base is West fieldella laterino. 1 ft. harder layer with large crinoid heads. One bed = 28 mm. across, Cystiphyllum calycula, Strophomena rhombri Lali. (Ammites). 5 ft. practically continuous rock weathered reddish brown. very gradian rock.