Field Notebook: Illinois, Indiana, kentucky, Missouri, Wyoming, Pennsylvania 1909
Page 28
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
"one uniform in character. Below the Pocono at least 300 feet of cleric greenish shale and sometimes maybe even orist casts of fossils. The common one is Spirifer disjunction. There are others of Rhynchomella and hirals. This possible that these beds are Bradfordian, if not then Chemung. In the apex of the fold an at least 2 or- thous faults, the eastern side rides over the unduly a motion mass. Have a picture of me. The Pocono rests on an erosion unconformity above the ? Bradfordian. This is plainly seen and is photo'd after, film I-11. The basal Poconr is decidedly coarse sandstone with many rounde gravy pebbles up to one inch or two more. The Local Shannan rithm sandstone at the top of the Pocono jances into more regular and soften sandstone and then into a red shale gree of about 10 feet. Herein the passage from the Poconr into the Maucel Chemung, to continue, above the red shale just mentioned comes a sandstone of 15 feet thick even that is decidedly less folded, followed by fluvial shale and goes of the screen-