Silica burp in the Eocene ocean

Research Article| September 01, 1989 Silica burp in the Eocene ocean Brian McGowran Brian McGowran 1Department of Geology and Geophysics, University of Adelaide, Adelaide, South Australia 5001, Australia Search for other works by this author on: GSW Google Scholar Author and Article Information Brian McGowran 1Department of Geology and Geophysics, University of Adelaide, Adelaide, South Australia 5001, Australia Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1989) 17 (9): 857–860. https://doi.org/10.1130/0091-7613(1989)017<0857:SBITEO>2.3.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 Brian McGowran; Silica burp in the Eocene ocean. Geology 1989;; 17 (9): 857–860. doi: https://doi.org/10.1130/0091-7613(1989)017<0857:SBITEO>2.3.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 The Eocene was a time of greatly increased silica accumulation in the ocean, and the peak was in the early middle Eocene at about 50 Ma. The responsible geohistorical configuration included the following elements: extensive volcanism about 4 m.y. earlier, as part of the Chron 24 plate reorganization; early Eocene warming, with deep weathering to high latitudes and accumulation of the released silica in a sluggish ocean; and sharp cooling in the earliest middle Eocene, stimulating oceanic upwelling and biosilicification. It is possible, on the evidence of carbon and oxygen isotopic patterns, that the trigger for the exhalation of silica was a reverse greenhouse effect. 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.