• Organization: U.S. Environmental Protection Agency
• Updated: 2020-02-27

The IRMS data set contains average d13c value comparisons of various polymer types. FTIR and micro-Raman spectroscopy data is also included that characterizes all collected samples. This dataset...

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• Organization: Department of the Interior
• Updated: 2020-08-31T00:00:00Z

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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• Organization: Department of the Interior
• Updated: 2023-03-30T00:00:00Z

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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• Organization: Department of the Interior
• Updated: 2023-03-30T00:00:00Z

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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• Organization: U.S. Environmental Protection Agency
• Updated: 2024-06-27

Supplementary and data for: Experimental assessment of EAIRMS normalization methodologies for environmental stable isotopes. This dataset is associated with the following publication: Balint,...

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• Organization: Department of the Interior
• Updated: 2025-03-25T15:41:56Z

Surface water samples were collected in the field by staff from the California Department of Water Resources and the U.S. Bureau of Reclamation at approximately 40 site locations once per month...

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• Organization: Department of the Interior
• Updated: 2020-09-29T00:00:00Z

These data represent sulfur isotope analyses of chalcopyrite from a base metal deposit in the Aliabad-Khanchy area in northwestern Iran. Rock samples were collected from outcrops, and chalcopyrite...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-02-17 00:00:00

Data set from peer-reviewed publication: A. J. Fleisher et al., Absolute 13C/12C Isotope Amount Ratio for Vienna Pee Dee Belemnite from Infrared Absorption Spectroscopy, Nature Physics....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-08-12T00:00:00.000+00:00

This dataset contains information collected by the Fowl River Marsh Health and Recovery Study: Stable isotope and anthropogenic influences component. Records include nitrogen (N) and carbon (C)...

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• Organization: Department of Agriculture
• Updated: 2024-02-16

This Microsoft Excel workbook (168.259 Mb) calculates Critical Ratios for triacylglycerols based on manually entered mass spectra, with isotope correction by isotope patterns calculated at...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

Radiocarbon dating of silicified wood was performed at the U.S. Geological Survey’s Radiocarbon Laboratory in Denver, Colorado. All samples were chemically treated using the standard...

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• Organization: Department of the Interior
• Updated: 2020-10-19T00:00:00Z

Results of lipid biomarker concentration and compound specific isotopes analyzed from authigenic carbonates and surrounding sediment collected from Baltimore and Norfolk seep fields along the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-03-23T00:00:00.000+00:00

This dataset consists of measurements of pH, redox potential, H2S and dissolved oxygen from core samples that were taken from Lake Hazen, Skeleton Lake and Pond1 between Spring 2014 and Summer...

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• Organization: Department of the Interior
• Updated: 2021-10-25T00:00:00Z

Ice core from Greenland was melted, filtered, and homogenized. Its stable hydrogen (δ2H) and oxygen (δ18O) isotopic compositions were adjusted to approximately match those of USGS46 ice core water...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Instrument, standard, and sample data from application of in situ laser ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS) dating of scheelite in thin section, and sample data from...

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• Organization: Department of the Interior
• Updated: 2022-01-31T00:00:00Z

Stable carbon and hydrogen isotopic data generated by off-line preparation and dual inlet mass spectrometric analysis used the determine the recommended values for the reference materials HCG-1,...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

Geochemical and isotopic compositions were determined in stream sediment and parent rocks collected in April 2017 and June 2017 and in nearshore sediment collected bimonthly in sediment traps from...

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• Organization: Department of the Interior
• Updated: 2020-12-07T00:00:00Z

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...

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• Organization: Department of the Interior
• Updated: 2024-09-11T00:00:00Z

This dataset contains results from a stratigraphic section of the Hue Shale located along the Jago River in the Arctic National Wildlife Refuge at 69.9099, -143.3947 (WGS84). Sample heights were...

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• Organization: Department of the Interior
• Updated: 2025-02-18T00:00:00Z

The Central Virginia Seismic Zone (CVSZ) is an area of historically increased earthquake activity that is of particular importance due to its proximity to many well-populated regions in the...

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