Field notes, Cumberland River and Tennessee, 1899
Page 35
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
Monday Aug 14 '99. Newsom Sta. S.W. of depot. 1 foot Chert (seen abvt W. of Pegram) 14 ft. Waverly shale + Laysby limestone A 19 ft. Black shale. Nodules rare at top {5 in. sandy fossiliferous rock, 4 in. green shale, 5 in. sandy fossiliferous rock} 3 ft. Crinl. very white. Dev? 32' Lurizville limest. 32 ft. 12ft. Waldron shale. 29½ ft. Good quarry rock (Cor- responds to section down to Pten Crinus layer at Bell Robinson) Thin layers bed + layers b. 35 ft. ferric limestone crumbly. Wt food for building at me. 1 over 12 feet with Cherty layers 18½ ft Venable's (Pron for (14½ ft. Leeward Lay + 4½ ft G of Clinton)) 18½ ft. Lower Silurian Crinl. ferous to top The, Lower Silurian section may extend further up. B C D E F G X Monday. A. Limestone near middle + top of section. B. Corresponds to the crinoidal rock found at base of Black shale W.J Lafayette Macon Co. Cornif- erous? No trace of Ostracata. Contains little pebbles. C. This rock has a very Devonian aspect. It has a very white color and is coarsegrained. It resem-bles fine grained undivided Niagaran. It contains Haptema- nerid shells, rather abundant, signing Devonian appearance. D. Near base is layer with small form of Pterocrinus, half the size of P. semisiformis. C. The Devonian loding rock seems to run into the underlying Niagara rock, without any great break. E. This at me is quarried at summer- cus quarries near Newsom. F. From this section it will be noticed that a considerable thickness of Cherty beds lie at the base of the Lurmel limestone. The best beds for quarries lie at the top after at Clermont, Ky. In the Bell Robinson section only the top 1 of three cherty beds are seen.