Abstract
Research Article| January 01, 1899 Archean-Cambrian contact near Manitou, Colorado W. O. Crosby W. O. Crosby Search for other works by this author on: GSW Google Scholar Author and Article Information W. O. Crosby Publisher: Geological Society of America First Online: 02 Mar 2017 Online Issn: 1943-2674 Print Issn: 0016-7606 © 1899 Geological Society of America GSA Bulletin (1899) 10 (1): 141–164. https://doi.org/10.1130/GSAB-10-141 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 W. O. Crosby; Archean-Cambrian contact near Manitou, Colorado. GSA Bulletin 1899;; 10 (1): 141–164. doi: https://doi.org/10.1130/GSAB-10-141 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 IntroductionWhile studying the sandstone dikes accompanying the great fault of Ute pass in the summer of 1896, my attention was naturally attracted to the contact between the granite and the overlying sedimentary rocks, which, as every geological visitor to the region must know, is admirably exposed in the district immediately north of Manitou, on both sides of Ute pass. I was deeply impressed, as would be any student of New England geology, by the wonderful clearness and continuity of the exposures, but more especially by the almost absolutely plane form of the contact thus disclosed, and having since enjoyed an opportunity to make a more particular examination of this contact, I am more than ever convinced that it represents a type of erosion unconformity which, although probably of frequent and widespread occurrence in nature, is somewhat unique in geological literature, or at least has not received hitherto the attention . . . 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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