Field Notebook: CO 1951a
Page 117
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Golden Fire Brick HA. Piece section of seed hog bckch between DFB Co drop and XG FCo fence. From west well quarry surface - main fire clay bed 4.0 Upper 2.5 is argill siltine Cap on top 1.0 then 1.5 dk brn grzy Silty clay shale, 1.5 below is, fine gr-ss. 1.0 Interbedded silty fno creysh & thin silty sth 462.5' Upper 2.5in dk gray fissile wath. cl. shale lower part obscured 1.0+ Hood Fine gr. SS, buff wealtruing 8.5 Obscured), chiefly shale mixed in few thin siltine & fine ss bed. 18,0+ SS, Fine to med gr. interbedded X clay X lams. some underbeals Siltine. 57'approx. Obscured - upper part same shale with 22 mers. "bentonite 1" from top, about 11'+ 25 below contact is float zone of red 10 (Festonite & impreg SS) between clay) top Bentonite platy fine gr. SS + proof lower interbedded chr. crest 20'from red zone to platy ss ledge PS. 56