Field Notebook: 1963c
Page 24
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
H3 Covered. 5'3.7 Grey Clayey SLTST, with brown plant remains & some limon. staining Micaeous - 37. gypsum x15. 54 '1/2" of B; yell for min. impreg. SLT. 5'4.05' Brown lignitic & gypsum x1, bearing 51/T. 5'4.4 - good grade Black Lignite rather crumbly Lignite Somewhat Limonite stained & with gypsum x1s on Cracked surfaces. 57.9 TRANSITION from Lignite to shale. for 1" on either side of zone lignite grades into Brown Carbonaceous Sh.