Tully Formation of New York

Research Article| May 31, 1935 Tully Formation of New York G. ARTHUR COOPER; G. ARTHUR COOPER Search for other works by this author on: GSW Google Scholar J. STEWART WILLIAMS J. STEWART WILLIAMS Search for other works by this author on: GSW Google Scholar GSA Bulletin (1935) 46 (5): 781–868. https://doi.org/10.1130/GSAB-46-781 Article history received: 12 Jun 1934 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share MailTo Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation G. ARTHUR COOPER, J. STEWART WILLIAMS; Tully Formation of New York. GSA Bulletin 1935;; 46 (5): 781–868. doi: https://doi.org/10.1130/GSAB-46-781 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract PART I—STRATIGRAPHYSUMMARYThe Tully formation is a thin wedge of sediments lying disconformably on the Hamilton formation. At its type locality, Tully, Onon‐daga County, New York, the Tully is 30 feet thick, composed chiefly of limestone thinning westward to disappearance on the east side of Canandaigua Lake. Eastward it thins to eighteen feet in the vicinity of Smyrna, Chenango County, and then thickens to 150 feet in Otego Valley. The exact thickness is unknown east of Otego Valley, because of the disappearance of certain fossils used as horizon markers.At the type section the formation is divisible into three members. The middle member is characterized by Hypothyridina and is traceable to the western limit of the formation and eastward to Unadilla Valley. The uppermost member is continuous from Seneca Lake (west side) to Otego Valley.In eastern New York between Unadilla and Schoharie valleys the Tully is composed . . . This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.