Abstract
Research Article| July 01, 1960 CLASSIFICATION OF VOLCANIC BRECCIAS RICHARD V FISHER RICHARD V FISHER UNIVERSITY OF CALIFORNIA, GOLETA, CALIFORNIA Search for other works by this author on: GSW Google Scholar GSA Bulletin (1960) 71 (7): 973–982. https://doi.org/10.1130/0016-7606(1960)71[973:COVB]2.0.CO;2 Article history received: 16 Feb 1959 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation RICHARD V FISHER; CLASSIFICATION OF VOLCANIC BRECCIAS. GSA Bulletin 1960;; 71 (7): 973–982. doi: https://doi.org/10.1130/0016-7606(1960)71[973:COVB]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 Volcanic breccias are grouped into three major categories based upon process of fragmentation: autoclastic, pyroclastic, and epiclastic. Autoclastic volcanic breccias result from internal processes acting during movement of semisolid or solid lava; they include flow breccia and intrusion breccia. Pyroclastic breccia is produced by volcanic explosion and includes vulcanian breccia, pyroclastic flow breccia, and hydrovolcanic breccia. Epiclastic volcanic breccias result from transportation of loose volcanic material by epigene geomorphic agents, or by gravity, and include laharic breccia, water-laid volcanic breccia, and volcanic talus breccia. Other volcanic breccia terms are discussed.The rock types mentioned heretofore may also be designated by prefixing compositional terms as in basaltic block breccia and andesitic vulcanian breccia. The term volcanic breccia is used as a general term applying to all coarse-grained rocks composed of angular volcanic fragments. 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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