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    • Steptoe Valley NV Data Compilation: Understanding a Stratigraphic Hydrothermal Resource through Geophysical Imaging

    Metadata Updated: January 20, 2025

    Sandia National Laboratories partnered with a multi-disciplinary group of subject matter experts to evaluate a stratigraphic geothermal resource in Steptoe Valley, Nevada using both established and novel geophysical imaging techniques. Provided here are a compilation of newly acquired data over the area and select modeling efforts. This encompasses a 3D geological model (inclusive of full Leapfrog files, Leapfrog viewer files, and XYZ data for faults and stratigraphy) with embedded geophysical modeling, controlled-source electromagnetic (CSEM) and magnetotelluric (MT) data packages, aqueous spring geochemistry data, seismic reflection interpretations, and a gravity data package.

    The stratigraphic reservoir in Steptoe Valley was previously discovered during oil and gas exploration. Subsequent studies, such as the Nevada Play Fairway Analysis, added data which further highlighted potential resource targets in the basin. Geophysical surveys, complimented with refined geologic mapping and geochemical sampling, were deployed to further characterize the resource. The resulting 3D geologic interpretation, conceptual model refinements, and reservoir simulations suggest that a power-capable reservoir is economically accessible in the Paleozoic carbonates of the deep/central basin. Additional geophysical characterization and exploration drilling efforts are recommended to calibrate interpretation and determine where/how to potentially develop the Steptoe resource. The geophysical tools, interpretations, lessons learned, and publicly available data generated by this study establish an exploration methodology to inform decisions for successful development of stratigraphic reservoirs.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: Creative Commons Attribution

    Downloads & Resources

    Dates

    Metadata Created Date January 11, 2025
    Metadata Updated Date January 20, 2025

    Metadata Source

    Harvested from OpenEI data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 11, 2025
    Metadata Updated Date January 20, 2025
    Publisher Sandia National Laboratories
    Maintainer
    Doi 10.15121/2282349
    Identifier https://data.openei.org/submissions/7652
    Data First Published 2023-11-01T06:00:00Z
    Data Last Modified 2024-01-23T23:39:55Z
    Public Access Level public
    Bureau Code 019:20
    Metadata Context https://openei.org/data.json
    Metadata Catalog ID https://openei.org/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Datagov Dedupe Retained 20250120155001
    Harvest Object Id 147e960d-eaf6-42ab-a633-3d60b7b95db6
    Harvest Source Id 7cbf9085-0290-4e9f-bec1-91653baeddfd
    Harvest Source Title OpenEI data.json
    Homepage URL https://gdr.openei.org/submissions/1568
    License https://creativecommons.org/licenses/by/4.0/
    Old Spatial {"type":"Polygon","coordinates":-114.988166015625,39.341107277378995,-114.46731640625,39.341107277378995,-114.46731640625,40.358353886570136,-114.988166015625,40.358353886570136,-114.988166015625,39.341107277378995}
    Program Code 019:006
    Projectlead Alexandra Prisjatschew
    Projectnumber FY23 AOP 3.1.1.11
    Projecttitle Understanding a Stratigraphic Hydrothermal Resource; Geophysical Imaging at Steptoe Valley, Nevada
    Source Datajson Identifier True
    Source Hash 4ae4f0b37084d05331b537d3cac51384b91acbfee67327102a76beaeebe044dd
    Source Schema Version 1.1
    Spatial {"type":"Polygon","coordinates":-114.988166015625,39.341107277378995,-114.46731640625,39.341107277378995,-114.46731640625,40.358353886570136,-114.988166015625,40.358353886570136,-114.988166015625,39.341107277378995}

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