Field Notebook: New York, Pennsylvania, Ohio, Ontario 1913
Page 57
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
indefinite character of the sandstone at the base of the Decline. Certain beds begin earlier, others end with abrupt sides against the shale, in some places the sandstone comes in definite and remain or, in other the sands were scarcce or that the red shales are more persistent than the sandstone. The upper Cataract dolomite series is splits with minute shale ooze and small pebbles and many fossils are badly preserved. Four Leperditia caecigera, Helgorna paguli, Rhynchonella of neglecta, Cristina (some and emmm), small gastropod, Lophospira Lingula fragments, and bivalves. Ellsworth collected a gastropod about twenty feet down in the Shirlpool. There is no seem cracking filling on the under side of the Shirlpool here as at Strong Creek.