Characterising the stable (δ 88/86 Sr) and radiogenic ( 87 Sr/ 86 Sr) isotopic composition of strontium in rainwater
نویسندگان
چکیده
منابع مشابه
Strontium concentration, radiogenic (Sr/Sr) and stable (δSr) strontium isotope systematics in a controlled feeding study
Transhumance and palaeodiet are two central themes in archaeology and using chemical analysis of bones and teeth to reconstruct trends and patterns in diet and mobility has become a cornerstone of bioarchaeology. This study has investigated strontium concentration ([Sr]), radiogenic (Sr/Sr) and stable strontium (δSr) isotope systematics in a controlled feeding experiment on domestic pigs design...
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Clastic sediments in the Bengal Fan contain a Neogene history of erosion and weathering of the Himalaya. We present data on clay mineralogy, major element, stable and radiogenic isotope abundances from Lower Miocene-Pleistocene sediments from ODP Leg 116. Nd and Sr isotope data show that the Himalayan provenance for the eroded material has varied little since > 17 Ma. However, from 7 to 1 Ma sm...
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Carbon isotopes in speleothems can vary in response to a number of complex processes active in cave systems that are both directly and indirectly related to climate. Progressing downward from the soil zone overlying the cave, these processes include soil respiration, fluid–rock interaction in the host limestone, degassing of CO2 and precipitation of calcite upflow from the speleothem drip site,...
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An experimental tracer addition of (84)Sr to an unpolluted temperate forest site in southern Chile, as well as the natural variation of (87)Sr/(86)Sr within plants and soils, indicates that mechanisms in shallow soil organic horizons are of key importance for retaining and recycling atmospheric cation inputs at scales of decades or less. The dominant tree species Nothofagus nitida feeds nearly ...
متن کاملMineral Composition, Sr/Sr Ratios, and Concentrations of Strontium and Rubidium in Late Wisconsin Till of Ohio
Samples of Late Wisconsin till from the Powell-Union City Moraine of Ohio have bimodal grainsize distributions and concentrations of carbonate minerals, illite, and kaolinite-chlorite that are primarily the result of grinding of clasts derived from local bedrock. Quartz and feldspar have unimodal grainsize distributions that suggest their derivation from distant sources on the Precambrian Shiel...
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ژورنال
عنوان ژورنال: Chemical Geology
سال: 2015
ISSN: 0009-2541
DOI: 10.1016/j.chemgeo.2015.05.010