Anatomy and origin of carbonate structures in a Miocene cold-seep field

Research Article| December 01, 2001 Anatomy and origin of carbonate structures in a Miocene cold-seep field Ivano W. Aiello; Ivano W. Aiello 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA Search for other works by this author on: GSW Google Scholar Robert E. Garrison; Robert E. Garrison 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA Search for other works by this author on: GSW Google Scholar J. Casey Moore; J. Casey Moore 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA Search for other works by this author on: GSW Google Scholar Miriam Kastner; Miriam Kastner 2Scripps Institution of Oceanography, La Jolla, California 92093, USA Search for other works by this author on: GSW Google Scholar Debra S. Stakes Debra S. Stakes 3Monterey Bay Aquarium Research Institute, Moss Landing, California 95039, USA Search for other works by this author on: GSW Google Scholar Author and Article Information Ivano W. Aiello 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA Robert E. Garrison 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA J. Casey Moore 1Departments of Ocean Sciences and Earth Sciences, University of California, Santa Cruz, California 95064, USA Miriam Kastner 2Scripps Institution of Oceanography, La Jolla, California 92093, USA Debra S. Stakes 3Monterey Bay Aquarium Research Institute, Moss Landing, California 95039, USA Publisher: Geological Society of America Received: 21 Mar 2001 Revision Received: 23 Jul 2001 Accepted: 09 Aug 2001 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2001) 29 (12): 1111–1114. https://doi.org/10.1130/0091-7613(2001)029<1111:AAOOCS>2.0.CO;2 Article history Received: 21 Mar 2001 Revision Received: 23 Jul 2001 Accepted: 09 Aug 2001 First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Ivano W. Aiello, Robert E. Garrison, J. Casey Moore, Miriam Kastner, Debra S. Stakes; Anatomy and origin of carbonate structures in a Miocene cold-seep field. Geology 2001;; 29 (12): 1111–1114. doi: https://doi.org/10.1130/0091-7613(2001)029<1111:AAOOCS>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 Miocene calcite concretions resembling modern carbonate structures that form at cold seeps are present in fractured opal- CT porcelanites that are interbedded with mudstones in coastal cliffs at Santa Cruz, California. The morphologies of the carbonate structures differ markedly from conventional concretions and are spatially aligned with orthogonal joints in the porcelanites. The structures contain tubular holes that are identical to fluid and gas conduits in modern carbonate seep structures; the orientations of these tubes suggest that fluid and gas flow was both vertical and horizontal, the latter along extensional joints that formed preferentially in the brittle, silica-rich layers that had enhanced bedding- parallel permeability. Petrographic and isotopic characteristics of the carbonate structures indicate that calcite precipitation occurred in a shallow, subseafloor environment in either the zone of microbial sulfate reduction or of methanogenesis, prior to or possibly simultaneously with the silica phase transformation of opal- A in diatom shells to opal-CT. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.