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Eastward thrusting, southwestward folding, and westward backsliding in the Sierra La Vibora, Sonora, Mexico

1988; Geological Society of America; Volume: 16; Issue: 10 Linguagem: Inglês

10.1130/0091-7613(1988)016 2.3.co;2

1943-2682

Kees A. De Jong, J. Armando Escarcega-Escarcega, Paul E. Damon,

Geological and Geochemical Analysis

Research Article| October 01, 1988 Eastward thrusting, southwestward folding, and westward backsliding in the Sierra La Vibora, Sonora, Mexico Kees A. De Jong; Kees A. De Jong 1Department of Geology, University of Cincinnati, Cincinnati, Ohio 45221 Search for other works by this author on: GSW Google Scholar J. Armando Escarcega-Escarcega; J. Armando Escarcega-Escarcega 2Dirección General de Fomento Minero, Hermosillo, Sonora, Mexico Search for other works by this author on: GSW Google Scholar Paul E. Damon Paul E. Damon 3Laboratory of Isotope Geochemistry, Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Search for other works by this author on: GSW Google Scholar Author and Article Information Kees A. De Jong 1Department of Geology, University of Cincinnati, Cincinnati, Ohio 45221 J. Armando Escarcega-Escarcega 2Dirección General de Fomento Minero, Hermosillo, Sonora, Mexico Paul E. Damon 3Laboratory of Isotope Geochemistry, Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1988) 16 (10): 904–907. https://doi.org/10.1130/0091-7613(1988)016 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 Email Permissions Search Site Citation Kees A. De Jong, J. Armando Escarcega-Escarcega, Paul E. Damon; Eastward thrusting, southwestward folding, and westward backsliding in the Sierra La Vibora, Sonora, Mexico. Geology 1988;; 16 (10): 904–907. doi: https://doi.org/10.1130/0091-7613(1988)016 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 In the Sierra La Vibora near Caborca, Mexico, three structures occur: a thrust sheet of crystalline basement overlain by Proterozoic and Cambrian sedimentary formations thrust eastward upon Mesozoic clastics; asymmetric and overturned folds, northwest-southeast oriented, with southwest vergence; and low-angle extensional faults with top-to-the-west transport. The Pitiquito granodiorite, dated at 80 Ma by K-Ar techniques, was intruded after the thrusting, and the youngest rocks affected by thrusting are Albian to Cenomanian(?), indicating that thrusting occurred between about 95 and 80 Ma. 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.