Field Notebook: CO 1951d
Page 41
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
On slope first ss ledge has beautiful worm barings +15 optic in this zone- typical? Dcbt-like bed, Measured from east shale topback in R. ent from top ss->down Part II 59.0 Sandstone, crossbedded, massive beds, textury fine-grained, weath., Fe brown. 2.7 Sandstone is zone with partings 1.5 at shale 11.0 Silky to spody shale with Irren. in forbeds 36.8 Sandstone, irreg., bedded, fine of, to silty aquillaceous with partings silty 54+ siltst. 5.5 Sandstone, massive 1/2in to 1' bed, fine to wred grained ss, weath red brown to Fe brown, 2.0 Torqg, interbedded argill., siltstone's with some beds sandy siltstz. Acyl. 8.7 Shale, Siltstone with interbeds of dark silty shale, Upper Si'ttz is chiefly siltstone, locally sandy with Fe imprec., siltst bed= base then 3-7 chiefly silty shale with many thin interbeds siltst.