Abstract
Research Article| August 01, 1988 Opaline cherts associated with sublacustrine hydrothermal springs at Lake Bogoria, Kenya Rift valley Robin W. Renaut; Robin W. Renaut 1Department of Geological Sciences, University of Saskatchewan, Saskatoon, Saskatchewan S7N OWO, Canada Search for other works by this author on: GSW Google Scholar R. Bernhart Owen R. Bernhart Owen 2Department of Geography and Earth Science, Chancellor College, University of Malawi, P.O. Box 280, Zomba, Malawi Search for other works by this author on: GSW Google Scholar Geology (1988) 16 (8): 699–702. https://doi.org/10.1130/0091-7613(1988)016<0699:OCAWSH>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 Robin W. Renaut, R. Bernhart Owen; Opaline cherts associated with sublacustrine hydrothermal springs at Lake Bogoria, Kenya Rift valley. Geology 1988;; 16 (8): 699–702. doi: https://doi.org/10.1130/0091-7613(1988)016<0699:OCAWSH>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 An unusual group of cherts found at saline, alkaline Lake Bogoria in the Kenya Rift differs from the Magadi-type cherts commonly associated with saline, alkaline lakes. The cherts are opaline, rich in diatoms, and formed from a siliceous, probably gelatinous, precursor that precipitated around submerged alkaline hot springs during a Holocene phase of high lake level. Silica precipitation resulted from rapid drop in the temperature of the spring waters and, possibly, pH. Lithification began before subaerial exposure. Ancient analogous cherts are likely to be localized deposits along fault lines. 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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