Research Article| March 01, 1989 Early Mesozoic uplift in west-central Arizona and southeastern California Stephen J. Reynolds; Stephen J. Reynolds 1Arizona Geological Survey, 845 North Park Avenue, Suite 100, Tucson, Arizona 85719 Search for other works by this author on: GSW Google Scholar Jon E. Spencer; Jon E. Spencer 1Arizona Geological Survey, 845 North Park Avenue, Suite 100, Tucson, Arizona 85719 Search for other works by this author on: GSW Google Scholar Yemane Asmerom; Yemane Asmerom 2Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Search for other works by this author on: GSW Google Scholar Ed DeWitt; Ed DeWitt 3U.S. Geological Survey, Box 25046, Denver, Colorado 80225 Search for other works by this author on: GSW Google Scholar Stephen E. Laubach Stephen E. Laubach 4Bureau of Economic Geology, University of Texas, Austin, Texas 78713 Search for other works by this author on: GSW Google Scholar Author and Article Information Stephen J. Reynolds 1Arizona Geological Survey, 845 North Park Avenue, Suite 100, Tucson, Arizona 85719 Jon E. Spencer 1Arizona Geological Survey, 845 North Park Avenue, Suite 100, Tucson, Arizona 85719 Yemane Asmerom 2Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Ed DeWitt 3U.S. Geological Survey, Box 25046, Denver, Colorado 80225 Stephen E. Laubach 4Bureau of Economic Geology, University of Texas, Austin, Texas 78713 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1989) 17 (3): 207–211. https://doi.org/10.1130/0091-7613(1989)017<0207:EMUIWC>2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Stephen J. Reynolds, Jon E. Spencer, Yemane Asmerom, Ed DeWitt, Stephen E. Laubach; Early Mesozoic uplift in west-central Arizona and southeastern California. Geology 1989;; 17 (3): 207–211. doi: https://doi.org/10.1130/0091-7613(1989)017<0207:EMUIWC>2.3.CO;2 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 SocietyGeology Search Advanced Search Abstract Mesozoic rocks in west-central Arizona and southeastern California record an episode of uplift in Late Triassic to Middle Jurassic time. The main evidence for this uplift is an unconformity that is cut on Triassic to Proterozoic rocks and is overlain by a pre-160 Ma conglomerate containing clasts of Proterozoic crystalline rocks. The uplift is an important early Mesozoic paleogeographic feature and may be part of the long-sought source terrane for detritus in the Chinle Formation and other lower Mesozoic units of the Colorado Plateau. 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.