Field Notebook: 1963b
Page 40
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
0.1 A white crossbedded channel ss with alternating beds of fine, medium, & course grained ss. Bears angular grainles of quartz & a few siltstone frags Scattered limonite concs abt 4" in frist 6' M course to v. coarse grains chert, mica (2/53) 3'- fine grained white ss 6' Vfg white ss - somewhat clayey limonite stained 6" on either side limonite st. very light 9' same slop. (2/70) 9.1 white slighty micaceous clayey (bentonitic?) siltstone. Surface with polygonal crac/sing. 13.8 Vfg ss & siltstone with clay. 15- Siltstone wh./tc.