Hydromagnesite Stromatolites and Sediments in an Alkaline Lake, Salda Golu, Turkey

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dc.contributor.authorBraithwaite, C. J. R.
dc.contributor.authorZedef, Veysel
dc.date.accessioned2020-03-26T16:24:47Z
dc.date.available2020-03-26T16:24:47Z
dc.date.issued1996
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractSalda Lake in SW Turkey is a highly alkaline (pH > 9) water body with waters enriched in magnesium, Microbial stromatolites along shorelines contain a microflora of diatoms and cyanobacteria with extensive associated biofilms. Together these are responsible for precipitation of hydromagnesite, although distribution is not congruent with either cells or films. Deposition has continued over several thousand years and is independent of both lake volume and the general concentration of lake waters. The lake is rimmed on three sides by serpentinites and on the fourth by dolomite, The bulk of the water entering the lake is meteoric, fed via extensive gravelly alluvial fan deltas (with predominantly serpentinite pebbles) whose total areas and catchments exceed that of the lake. These waters are significantly cooler than surface waters of the lake, and there is no evidence for derivation from hot springs, The magnesium is thought to have been leached from the gravels. Extensive areas of recent sediments accumulating on shorelines have apparently formed by mechanical breakdown of microbialites. Similar deposits form conspicuous terraces in two areas and point to the longterm effectiveness of these processes, Terrace deposits are modified by a variety of subaerial processes, including growth of hydromagnesite cements. No microbial structures are preserved in these, and it is presumed that they are destroyed during reworking. Fine-grained hydromagnesite sediment derived from shorelines and from terraces is suspended in the water column during storms and is probably redeposited as turbidites in the deeper parts of the lake, Sediments of this kind may be a useful analogue for some ancient and economically important stratiform magnesite deposits.en_US
dc.identifier.citationBraithwaite, C. J. R., Zedef, V., (1996). Hydromagnesite Stromatolites and Sediments in an Alkaline Lake, Salda Golu, Turkey. Journal Of Sedimentary Research, 66(5), 991-1002.
dc.identifier.endpage1002en_US
dc.identifier.issn1073-130Xen_US
dc.identifier.issue5en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage991en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/16390
dc.identifier.volume66en_US
dc.identifier.wosWOS:A1996VM10700014en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorZedef, Veysel
dc.language.isoenen_US
dc.publisherSEPM-SOC SEDIMENTARY GEOLOGYen_US
dc.relation.ispartofJournal Of Sedimentary Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleHydromagnesite Stromatolites and Sediments in an Alkaline Lake, Salda Golu, Turkeyen_US
dc.typeArticleen_US

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