Field Notebook: WY, SD 1956
Page 145
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
MacGlintocks - 305 S. 10th Laramio 2nd thin interbeds dk shale, becomes sandy at top + contains odd Fe cones protruding into top of bed like tubers. 3.6 Sandstone, very fine-gr to silty, worths yellow brown, thin bedded 1zm to single 1zm. bed 4.4 Shale, dark gray, fissile at bzzc becoming silty gray upward with, thin siltst interbeds 7.41 Sandstone, loc. 2 massive x 1zm to 1em, ledge somewhat lobular in upper 2.0. Laterally (E) becomes more thinly bedded, worths yellow brown. Red Fe czp on upper surface. Bedding surf. 2zc ripple-mkd. 25.0+ (wash covered) About lower 15.0 is light gray to gray clay shale, slightly silty yellow stained at bzsc Above goes to cbtn including bed 1.0+ czrb clsty about 8.0 from top. 4.0-? Sandstone - slubby, fgtr torty, Cops bluff.71