Field Notebook: SD 1956
Page 11
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
masses, lower 2.0t is massive, upper part with interlensed light greenish-gray weath. sandy siltstone, and silty layers + partings. Light pinkish brown with red Fe imprapy Crp. (5) 41.5 Siltstone, gray to clt-gray, may be slightly clayey, massive, weathers to crust-like crust of gray white with some pink stain Bessel 1.0+ spherulitic + sandy, stained rusty red. (6) 410 to ? Sandslone, medium to fine-grained, ledge-forming, upper part broken up and lying in slope wash. Offset to ledge under TV slzhch. Begins at base sandstone units above (approx base). 14.0 Sandstone, massive pinkish-brown weathering ledge. Medium grt at base becoming fine-gr in upper part and grading to very finegr, silty, spherulitic layers 0.5 to 6.0 at top. 4