Field Notebook: MD 1945e
Page 87
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
861 Shale, siltstone grading to silty shale 861-6 Carb. shale 865-6 Light tan siliceous claystone grading to silvery siltstone. About 8" dark sandstone at top. 874 Light gray hard fine siliceous siltstone with abundant ferruginous (siderite?) pellets throug (GC2020)> 876-6 Darkgray to carb. shale, scattered Fe pellets in upper 1' 879-9 Darkgray to bleals, silty claystone. 903-6 Overlaid siltstone and fine sandstone. 940 Well-grained sandstone, locally x-bedded, some quartzite zones, zones silty, inclusions minor fine grained zones 948-4 Darkgray to carb. silty shale 949-3 Carb. claystone 954 Gray argilaceous siltstone (corlett remains) and silty claystone with zones of ferruginous (siderite?) pellets. (GC2021) 955-6 Gray sandy siltstone and fine sandstone, local zones Fe pellets as above. 959 Light to dark gray fine grained sandstone. 966 [No recovery - frequent red silty clay and gray fine-grained sandstone.] 971-4 Red silty claystone, some green matting at base. Some ferruginous pellets (GC2022) 980 Silty claystone, red+green, grading thru green gray siltstone to sandy siltstone. T.D. 980 Take March Creek contact at 960 Pottsville-Allegheny contact in 903-6 to 940 interval. Barometer Elev. - 1330 41