Field Notebook: CO 1955
Page 91
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
15.0 Sandstone, fine-gr, silty, irregularly laminated forms characteristic crumbly buff to orange-bn lodge, with bedding poorly shown if zf z! 9.7 from top is bzrd Fc impirey, dk brn lzyer, looks convetional. 4.6 Sandstone zs plane with qry to dk qry augill silt znd silty bolish interbody. 1.8 Shale, blackr, fissile, shry 0.2 Porcellanite 6.6 Siltstone, dk grey wcths light qry, with some interbeds crumbly fine, qr SS and Silty Sh. 2.0 from top to top of 0.6 bed black fissile Sh., then about 0.5 SS, remznder chiefly thinly bedd-lem silt with minor SS + Sh. 5.6 Sandstone, fine gr, frizble some silty zones + laminat 44