Shoreline carbonate structures in West Reflex Lake, Alberta-Saskatchewan

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dc.contributor.authorHarrison, Jemma
dc.contributor.examiningcommitteeChow, Nancy (Geological Sciences) Goldsborough, Gordon (Biological Sciences)en_US
dc.contributor.supervisorKuzyk, Zou Zou (Geological Sciences) Last, William (Geological Sciences)en_US
dc.date.accessioned2017-03-31T20:04:39Z
dc.date.available2017-03-31T20:04:39Z
dc.date.issued2017
dc.degree.disciplineGeological Sciencesen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractWest Reflex Lake is a hypersaline lake in the Canadian Great Plains. The lake contains four types of shoreline carbonate structures: isolated pinnacles, bioherms (aggregates of pinnacles), laminated coatings, and beachrock. This study investigates the processes of formation of West Reflex Lake’s shoreline carbonates. A variety of petrographic and geochemical techniques were used to characterize the texture, mineralogy, and chemistry of the carbonates. The shoreline carbonates formed as a result of biotic and abiotic precipitation at the site of saline springs that supply Ca2+ to the lake. Evidence for biologically-influenced precipitation includes strong epifluorescence, presence of micrite cements, and abundance of microbial filaments. Abiotically-precipitated cements formed due to groundwater inflow. The isolated pinnacles and bioherms formed as a result of groundwater percolating through a framework of microbial filaments, whereas the laminated coatings formed as a result of calcification of coherent microbial mats adhering to a substrate.en_US
dc.description.noteMay 2017en_US
dc.identifier.urihttp://hdl.handle.net/1993/32181
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectMicrobialitesen_US
dc.subjectSaline lakesen_US
dc.subjectLimnogeologyen_US
dc.subjectShoreline carbonatesen_US
dc.subjectLacustrine carbonatesen_US
dc.subjectWest Reflex Lakeen_US
dc.subjectWater chemistryen_US
dc.titleShoreline carbonate structures in West Reflex Lake, Alberta-Saskatchewanen_US
dc.typemaster thesisen_US
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