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Found 1174 dataset(s) matching "Isotope".
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Aliquots of collected water samples were prepared for isotopic analysis at the USGS laboratories in Menlo Park, CA by precipitating dissolved sulfate as barium sulfate, using the methods of...
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Samples from outside the crater lake were analyzed for their sulfur isotopic composition. Samples of sulfate alteration and native sulfur from the Kīlauea summit, Halema’uma’u crater (HMM), and...
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Stable isotopes of water preserved in geologic archives, primarily as oxygen (d18O), have proven critical for documenting Earth’s climatic and hydrologic systems past and present. However,...
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Sample Analyses: Four samples of silica sinter from Giant and Castle Geysers compo sedof opal-A or opal-A/C were analyzed for U-Th isotopes at USGS laboratories in Denver, CO...
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Water samples for Oxygen-18 and deuterium isotope determinations were stored unfiltered in 15 ml glass bottles and analyzed at the USGS laboratories in Reston, Virginia. Analysis of oxygen...
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This data release includes field parameters (pH and specific conductance), major ion geochemistry (B, Ba, Br, Cl, Ca, Fe, K, Li, Mg, Mn, Na, Si, SO4, Sr), total dissolved solids, specific gravity,...
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USGS Isotope is a database of radiogenic and stable isotopic data from rocks and critical mineral deposits. The data set contains published elemental concentrations, isotopic ratios, analytical...
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This data release contains chemical and isotopic data used in an investigation of nitrate sources and transport in the Upper Illinois River basin. Samples (total = 445) include river water from...
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This dataset is a collection of geochemical data on samples from the Stibnite-Yellow Pine district of Idaho. The datasets include: whole rock geochemistry; lead, strontium and neodymium isotope...
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Tabular data demonstrates the performance of a modified reactor setup that enables high-quality hydrogen isotopic analysis of halogen- and sulfur-bearing organics with a modified elemental...
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These data consist of sulfur and carbon isotope compositions, concentrations of selected elements, and concentrations of pyrite sulfur and organic carbon in mudstone samples collected from five...
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This data release contains 3 datasets, U-Pb isotopic data and associated ages of detrital zircon grains for 27 sedimentary rocks, whole rock major and trace-element geochemistry for 15 igneous or...
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Stable water isotopes of precipitation across the USA and from summer and winter. Additionally isotopic data was included for river water within the Willamette River in Oregon. The d18O and d2H...
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The data set contains the stable carbon and sulfur isotope ratios for fish tissue used in the manuscript. The data is included in the file was used in Figures 3 and 6 of the manuscript and...
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This dataset is the SURATLANT (SURveillance ATLANTique) dataset and consists of individual data of temperature, salinity, dissolved inorganic carbon (DIC) and its isotopic composition d13CDIC,...
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This dataset contains diatom assemblage data (in both percentages and diatoms per gram of sediment) and bulk sedimentary geochemical data including total carbon, total organic carbon, total...
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Note: No formal accuracy tests were conducted and these data are disseminated to allow discussion related to methods. Sample Analyses: Samples were processed at both the USGS in Menlo Park, CA,...
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No description found
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Sample Collection:Field work was conducted in November 2018 in the Upper Geyser Basin. Three sinter samples were collected from Castle Geyser and one sinter sample was collected from Solitary...
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Sulphur Banks, near the summit of Kīlauea Volcano on the Island of Hawai`i, is a thermal area where volcanic gases and steam are discharged. A research well drilled in the 1920s at Sulphur Banks...
