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  3. USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data (ver. 3.0, May 2024)

USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data (ver. 3.0, May 2024)

Dates

Publication Date
Revision
2023-09-28
Last Revision
2024-05-17

Citation

Hillenbrand, I.W., Thomson, K.D., Morgan, L.E., Gilmer, A.K., Engle, Z.T., Slawson, J., Dombrowski, A., Warrell, K.F., Malone, J., Souders, A.K., Hudson, A.M., Cosca, M.A., Paces, J.B., Thompson, R.A., and Park, A.J., 2023, USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data (ver. 3.0, May 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P9RZNPIF.

Summary

USGS Geochron is a database of geochronological and thermochronological dates and data. The data set contains published ages, dates, analytical information, sample metadata including location, and source citations. The following analytical techniques are represented in the data set: 40Ar/39Ar, K-Ar, U-Th-Pb, Sm-Nd, Rb-Sr, Lu-Hf, fission track, luminescence, U-series, (U-Th)/He, Re-Os, 10Be and 26Al cosmogenic, and radiocarbon. This data set incorporates data previously hosted in the National Geochronological Database (Sloan and others, 2003), as well as data from published journal articles and ScienceBase data releases. These data are primarily from the United States, but data from other parts of the world are also included. First [...]

Contacts

Point of Contact :
Leah E Morgan
Originator :
Ian W Hillenbrand, Kelly D Thomson, Leah E Morgan, Amy K Gilmer, Zachary T Engle, Jacob (Contractor) S Slawson, Allison D Dombrowski, Kathleen F Warrell, Joshua R Malone, Amanda K Souders, Adam M Hudson, Michael A Cosca, James B Paces, Ren A Thompson, Andy J Park
Metadata Contact :
Amy K Gilmer
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Core Science Systems
SDC Data Owner :
Geosciences and Environmental Change Science Center

Attached Files

Click on title to download individual files attached to this item.

Metadata_Geochron.xml
Original FGDC Metadata
View 		34.12 KB application/fgdc+xml
Data_Dictionary.csv 300.18 KB text/csv
ar40ar39_USGS_data_release.csv 50.72 MB text/csv
be10al26_USGS_data_release.csv 61.55 KB text/csv
c14_USGS_data_release.csv 4.36 MB text/csv
fissiontrack_USGS_data_release.csv 2.03 MB text/csv
kar_USGS_data_release.csv 14.96 MB text/csv
luhf_USGS_data_release.csv 84.28 KB text/csv
luminescence_USGS_data_release.csv 279.21 KB text/csv
rbsr_USGS_data_release.csv 7.58 MB text/csv
reos_USGS_data_release.csv 357.94 KB text/csv
samples_USGS_data_release.csv 23.77 MB text/csv
smnd_USGS_data_release.csv 174.71 KB text/csv
useriesinsitu_USGS_data_release.csv 828.51 KB text/csv
useriessolution_USGS_data_release.csv 972.29 KB text/csv
uthhe_USGS_data_release.csv 987.23 KB text/csv
uthpbinsitu_USGS_data_release.csv 159.94 MB text/csv
uthpbtims_USGS_data_release.csv 10.41 MB text/csv
geochron_gdb.zip 25.29 MB application/zip
plumber_web_api.zip 3.23 KB application/zip
Thumbnail_v3.png thumbnail 1.52 MB image/png
USGS_Geochron_Version_History.txt 10.94 KB text/plain
Extension: Geochron_v3.zip

Purpose

The primary purpose of the USGS Geochron Database is to organize and serve all USGS-generated geochronological data to key stakeholders, scientists, and the public. This data set is applicable to answering fundamental Earth Science questions that require an understanding of the ages of key geologic events and units and the rates of geologic processes. The database is supported by the National Cooperative Geologic Mapping Program’s National Geologic Map Database project and the Geologic Framework of the Intermountain West project and will be managed and served in accordance with the National Geologic Mapping Act of 1992 and its Reauthorizations. The data set as a whole will be updated and expanded semi-annually.
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Communities

  • USGS Data Release Products

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Provenance

Revision 3.0 by Zach Engle on May 17, 2024. To review the changes that were made, see “USGS_Geochron_Version_History.txt” in the attached files section.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9RZNPIF

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