Field Notebook: CO, WY 1955b
Page 7
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
frqz. 8 (3) 1.7 Szudstone, fine-grained, hard ledge - gray foam czub frqzs, weathrs brown. (4) 1.5 Shale, grading down wzd to siltstone sh. 0.3 at top, czrb, to. stlst. with czrb flecks (5) 4.0 Szudstone, locally 2 double ledge with somewhat silty, pretty zone in middle. Chiefly fine grained & medium gr. with upper surface OB stain & hrs scattered ckt, gyt & clsty granules (in about upper 1") remainder of unit weathrs buff. (6) 0.7 chiefly obscured, some silty blt sh. at top then silty gray finegr ss below many czub frqzs + mottling czrb. above (7) 3.4 dis. Szudsta, fine to med, with upper 0.5 cqltic. ckt+gto granules & small pebbles. (8) 0.6- Quartzite mad gr sparsely cq1tc. weathrs OB + forms 3