Pan-African microplate accretion of the Arabian Shield

Research Article| July 01, 1985 Pan-African microplate accretion of the Arabian Shield DOUGLAS B. STOESER; DOUGLAS B. STOESER 1U.S. Geological Survey, M.S. 905, Denver Federal Center, Box 25046, Denver, Colorado 80225 Search for other works by this author on: GSW Google Scholar VICTOR E. CAMP VICTOR E. CAMP 2Saudi Arabian Deputy Ministry for Mineral Resources, c/o Watts, Griffls, and McOuat, Ltd., P.O. Box 5219, Jiddah, Saudi Arabia Search for other works by this author on: GSW Google Scholar Author and Article Information DOUGLAS B. STOESER 1U.S. Geological Survey, M.S. 905, Denver Federal Center, Box 25046, Denver, Colorado 80225 VICTOR E. CAMP 2Saudi Arabian Deputy Ministry for Mineral Resources, c/o Watts, Griffls, and McOuat, Ltd., P.O. Box 5219, Jiddah, Saudi Arabia Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (1985) 96 (7): 817–826. https://doi.org/10.1130/0016-7606(1985)96<817:PMAOTA>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 DOUGLAS B. STOESER, VICTOR E. CAMP; Pan-African microplate accretion of the Arabian Shield. GSA Bulletin 1985;; 96 (7): 817–826. doi: https://doi.org/10.1130/0016-7606(1985)96<817:PMAOTA>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 SocietyGSA Bulletin Search Advanced Search Abstract The late Proterozoic Arabian Shield is composed of at least five geologically distinct terranes (microplates) separated by four ophiolite-bearing suture zones. Three ensimatic island-arc terranes occur in the western shield, whereas the two terranes in the eastern shield have continental affinities. The western two sutures are island-arc-island-arc joins, whereas the eastern two sutures collectively form a major coilisional orogenic belt. Accretion of the five terranes to form an Arabian neocraton occurred from 715 to 630 Ma. After accretion, intracratonic deformation and magmatism related to collision continued and resulted in the formation of molasse, intermediate to silicic volcanic rocks, peralka-line to peraluminous granites (640-570 Ma), and a major left-lateral wrench fault system (∼630-550 Ma) which displaced the northern part of the Arabian neocraton ∼250 km to the northwest. These tectonic events represent the accretion of the Arabian portion of Gondwanaland during the Pan-African event. 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.