Abstract
Research Article| July 01, 1975 Plutonic zones in the Peninsular Ranges of southern California and northern Baja California R. Gordon Gastil R. Gordon Gastil 1San Diego State University, San Diego, California 92182 Search for other works by this author on: GSW Google Scholar Geology (1975) 3 (7): 361–363. https://doi.org/10.1130/0091-7613(1975)3<361:PZITPR>2.0.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 R. Gordon Gastil; Plutonic zones in the Peninsular Ranges of southern California and northern Baja California. Geology 1975;; 3 (7): 361–363. doi: https://doi.org/10.1130/0091-7613(1975)3<361:PZITPR>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 Metamorphic and plutonic rocks within the Peninsular Ranges batholith of southern and Baja California can be divided into structural and petrographic zones parallel and symmetrical to the axis of the batholith. If the axial zone exposes deep plutonic phenomena and the lateral zones progressively shallower phenomena, it is possible to reconstruct a cross section of the area as it existed during the last phases of plutonic rock emplacement. Such a cross section can be used to demonstrate that great welts of tonalitic magma accumulated near the base of the pre-existing crust. These spawned plutons that rose as diapirs through the zone of plastic deformation to the level of fracture deformation; the diapirs then bled upward into shallow plutons and extrusive masses. 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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