Abstract
Research Article| January 01, 1904 Carboniferous of the Appalachian basin JOHN J. STEVENSON JOHN J. STEVENSON Search for other works by this author on: GSW Google Scholar Author and Article Information JOHN J. STEVENSON Publisher: Geological Society of America First Online: 02 Mar 2017 Online Issn: 1943-2674 Print Issn: 0016-7606 © 1904 Geological Society of America GSA Bulletin (1904) 15 (1): 37–210. https://doi.org/10.1130/GSAB-15-37 Article history First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation JOHN J. STEVENSON; Carboniferous of the Appalachian basin. GSA Bulletin 1904;; 15 (1): 37–210. doi: https://doi.org/10.1130/GSAB-15-37 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 IntroductionIn a former memoir* the writer described the Lower Carboniferous or Mississippian of the Appalachian basin. In this the effort will be to describe the lowest formation of the Coal Measures or Pennsylvanian of the same basin.The Coal Measures were studied in detail first in the Virginias and Pennsylvania by Professors William B. and Henry D. Rogers, who divided them into five groups, numbered XII, XIII, XIV, XV, and XVI, and afterwards namedXVI. Upper barren group.XV. Upper coal group.XIV. Lower barren group.XIII. Lower coal group.XII. Seral conglomerate.This grouping, based originally on somewhat arbitrary grounds, proved so convenient that it was accepted by most of those who have written on the northern portion of the Appalachian basin. In accordance with later usages, geographical terms were introduced by the Pennsylvania geologists. Those which have the priority areDunkard of I. C. White,Monongahela of . . . 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.
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