Geochronologic and isotopic evidence for early Proterozoic crust in the eastern Arabian Shield

Research Article| May 01, 1984 Geochronologic and isotopic evidence for early Proterozoic crust in the eastern Arabian Shield John S. Stacey; John S. Stacey 1U.S. Geological Survey, M.S. 37, 345 Middlefield Rd., Menlo Park, California 94025 Search for other works by this author on: GSW Google Scholar Carl E. Hedge Carl E. Hedge 2U.S. Geological Survey Mission, Jeddah, Saudi Arabia Search for other works by this author on: GSW Google Scholar Author and Article Information John S. Stacey 1U.S. Geological Survey, M.S. 37, 345 Middlefield Rd., Menlo Park, California 94025 Carl E. Hedge 2U.S. Geological Survey Mission, Jeddah, Saudi Arabia Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1984) 12 (5): 310–313. https://doi.org/10.1130/0091-7613(1984)12<310:GAIEFE>2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation John S. Stacey, Carl E. Hedge; Geochronologic and isotopic evidence for early Proterozoic crust in the eastern Arabian Shield. Geology 1984;; 12 (5): 310–313. doi: https://doi.org/10.1130/0091-7613(1984)12<310:GAIEFE>2.0.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 We report zircon U-Pb, feldspar common Pb, whole-rock Sm-Nd, and Rb-Sr data from sample Z-103, a fine-grained granodiorite from the Jabal Khida region of the Saudi Arabian Shield (lat 21°19′N; long 44°50′W). The measurements yield conclusive evidence for continental crust of early Proterozoic age (∼1,630 Ma) at that locality. Furthermore, lead-isotope data indicate an even earlier, perhaps Archean, crustal history for the source of the lower Proterozoic rocks. 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.