Airborne magnetic and radiometric survey, South Pass-Granite Mountains region, Wyoming, 2023

Dates

Publication Date: 2024-02-14
Start Date: 2023-07-10
End Date: 2023-09-26

Citation

U.S. Geological Survey, 2024, Airborne magnetic and radiometric survey, South Pass-Granite Mountains region, Wyoming, 2023: U.S. Geological Survey data release, https://doi.org/10.5066/P13W5Y9W.

Summary

This data release provides digital flight line data for a high-resolution airborne magnetic and radiometric survey over the South Pass-Granite Mountains region in central Wyoming. The airborne survey was funded by the state of Wyoming, designed by the Wyoming State Geological Survey (WSGS), and contracted by the USGS. The survey is aligned with the Earth Mapping Resources Initiative and was designed to meet complementary needs related to geologic mapping and characterization of mineral resource potential. A total of 47,973.8 line km of magnetic and radiometric data were acquired over an area of 8639 km. Data were collected from a helicopter flown at a nominal terrain clearance of 100 meters (m) above topography along N-S flight lines [...]

Summary

This data release provides digital flight line data for a high-resolution airborne magnetic and radiometric survey over the South Pass-Granite Mountains region in central Wyoming. The airborne survey was funded by the state of Wyoming, designed by the Wyoming State Geological Survey (WSGS), and contracted by the USGS. The survey is aligned with the Earth Mapping Resources Initiative and was designed to meet complementary needs related to geologic mapping and characterization of mineral resource potential. A total of 47,973.8 line km of magnetic and radiometric data were acquired over an area of 8639 km. Data were collected from a helicopter flown at a nominal terrain clearance of 100 meters (m) above topography along N-S flight lines spaced at 200 m intervals. Tie lines were flown in an E-W direction every 2000 m. Data were collected by New Sense Geophysics Ltd. and Merrick-Surdex Joint Venture under contract to the USGS using a helicopter with a magnetometer mounted in a stinger and a fully calibrated gamma-ray spectrometer. The survey operated out of airports in Rawlins and Lander, Wyoming, from July of 2023 to September of 2023. Files that are available in this publication include flight line data for the magnetic survey, flight line data for the radiometric survey and a report describing the survey parameters, field operations, quality control and data reduction procedures. A zip file is provided that contains the contractor's deliverable products that includes Geosoft databases and grids for the magnetic and radiometric survey and the report describing the survey and data reduction.

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Contacts

Point of Contact :: Benjamin J Drenth
Originator :: April D Allen Langhans, Benjamin J Drenth, Dylan M Connell
Metadata Contact :: April D Allen Langhans, GS GGGSC DM Team
Publisher :: U.S. Geological Survey
USGS Program :: Mineral Resources Program
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Geology, Geophysics, and Geochemistry Science Center
USGS Mission Area :: Energy and Minerals

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Metadata_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.xml Original FGDC Metadata	View	33.27 KB	application/fgdc+xml
ContractorsReport_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.pdf “Contractor Report”		12.66 MB	application/pdf
“Contractor Final Deliverables”		2.87 GB	application/zip
TotalMagandTernary_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.png “South Pass Granite Mountains Overview”		10.82 MB	image/png

Shapefile: Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.zip
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.dbf		137 Bytes
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.prj		403 Bytes
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.sbn		132 Bytes
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.sbx		116 Bytes
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.shp “Survey Footprint Shapefile”		33.18 KB
Footprint_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.shx		108 Bytes

Shapefile: LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.zip
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.dbf		21.83 KB
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.prj		429 Bytes
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.sbn		24.06 KB
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.sbx		900 Bytes
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.shp “Survey Flightlines Shapefile”		2.61 MB
LinePath_AirborneMagneticAndRadiometricSurveySouthPassGraniteMtnsWY2023.shx		19.45 KB

Related External Resources

Type: Citation

Day, W.C., 2019, The Earth Mapping Resources Initiative (Earth MRI)—Mapping the Nation’s critical mineral resources (ver. 1.2, September 2019): U.S. Geological Survey Fact Sheet 2019–3007, 2 p., https://doi.org/10.3133/fs20193007.	https://doi.org/10.3133/fs20193007

Type: Web Link

Earth Mapping Resources Initiative (Earth MRI)	https://www.usgs.gov/special-topics/earth-mri

Purpose

The South Pass-Granite Mountains survey was designed to meet complementary needs related to geologic mapping and mineral resource research.

Airborne magnetic and radiometric survey, South Pass-Granite Mountains region, Wyoming, 2023

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