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Research Article| December 01, 1919 Permo-Triassic of northwestern Arizona HERVEY W. SHIMER HERVEY W. SHIMER Search for other works by this author on: GSW Google Scholar Author and Article Information HERVEY W. SHIMER Publisher: Geological Society of America Received: 24 Feb 1919 First Online: 02 Mar 2017 Online Issn: 1943-2674 Print Issn: 0016-7606 © 1919 Geological Society of America GSA Bulletin (1919) 30 (4): 471–498. https://doi.org/10.1130/GSAB-30-471 Article history Received: 24 Feb 1919 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 HERVEY W. SHIMER; Permo-Triassic of northwestern Arizona. GSA Bulletin 1919;; 30 (4): 471–498. doi: https://doi.org/10.1130/GSAB-30-471 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 IntroductionFour months’ field work in New Mexico and Arizona, in 1906,2 resulted in numerous geologic sections and fossil collections. Some of these results have been published.3The present paper presents some Upper Permian and Lower Triassic? sections, with their faunas as represented in our collections. The faunas are mainly from the upper Kaibab and lower Moenkopi formations.Northern Arizona represents an old peneplained surface, developed with a slope to the south, which was raised into a plateau during the Pliocene. Since that time the softer Triassic ? shales have been largely eroded, leaving exposed the hard, siliceous Upper Permian (Kaibab) limestones. This erosion brought into relief old fault lines, and, with the aid of subsequent faulting along some old and many new lines, has produced the present topography. These strata, very nearly horizontal, have usually a gentle dip to the north; this is true from the southern edge of the . . . 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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