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Strontium Isotope Composition and Trace Element Concentrations in Lake Huron and its Principal Tributaries

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Title: Strontium Isotope Composition and Trace Element Concentrations in Lake Huron and its Principal Tributaries
Creators: Faure, Gunter; Jones, Lois M.; Eastin, Rene; Christner, Mason
Contributors: Ohio State University. Water Resources Center; United States. Office of Water Resources Research
Subjects (LCSH): Strontium -- Isotopes
Isotope geology
Trace elements in water -- Huron, Lake (Mich. and Ont.)
Issue Date: 1967-08
Publisher: Ohio State University. Water Resources Center
Series/Report no.: Research project completion report (Ohio State University. Water Resources Center)
Abstract: Concentrations of the major cations: Na, K, Ca, Mg and Sr were determined for 64 samples of surface water from Lake Huron and for 17 of its major tributary rivers. For addition, isotopic compositions of strontium were measured for 30 samples of lake water and for 13 of the tributary rivers. Concentrations of dissolved iron and total phosphorus were determined for a small suite of lake and river water. The data document important differences in the chemical composition of water discharged into Lake Huron by Lake Superior, Lake Michigan and tributary rivers. These differences are related to differences in the chemical and mineralogical composition of the bedrock underlying the Great Lakes drainage basin. The strontium contributed to Lake Huron by water draining the Canadian Shield along its northern shore is enriched in radiogenic Sr87. The average Sr87/ Sr86 ratio is 0. 718. The rivers draining sedimentary rocks of Michigan and southwestern Ontario contribute strontium whose isotope composition is similar to that in the modern oceans and has a Sr87/Sr86 ratio of 0.710. A geochemical model is presented which attempts to represent the chemical composition of water in Lake Huron as a mixture of the different types of water discharged by different sources.
URI: http://hdl.handle.net/1811/36431
Other Identifiers: OCLC #5269046 (print)
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