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  1. Airborne magnetic and radiometric survey, northwestern Minnesota, 2021
  2. Airborne radiometric survey, northwestern Minnesota, 2021

Airborne radiometric survey, northwestern Minnesota, 2021

Dates

Publication Date
Start Date
2021-05-27
End Date
2021-07-22

Citation

Allen Langhans, A.D., and Drenth, B.J., 2023, Airborne magnetic and radiometric survey, northwestern Minnesota, 2021: U.S. Geological Survey data release, https://doi.org/10.5066/P97D2JJE.

Summary

This data release provides digital flight line data for a high-resolution airborne radiometric survey over parts of northwestern Minnesota near the town of Mentor. The airborne survey was funded by 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 40,139-line km of radiometric data were acquired over an irregular-shaped area of 9140 km2. Data were collected from a fixed-wing aircraft flown at mean terrain clearance of 120 meters (m) above topography along N-S flight lines spaced at 250 m intervals. Tie lines were flown in an E-W direction every 2500 m. Data were collected by EDCON-PRJ and NV5 Geospatial, Inc. [...]

Contacts

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

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“Radiometric Survey Overview Image” 		thumbnail 352.54 KB
Ternary_AirborneMagneticandRadiometricSurveyMentorComplexNorthwesternMN2021.tfw 92 Bytes
Ternary_AirborneMagneticandRadiometricSurveyMentorComplexNorthwesternMN2021.tif 7.03 MB

Purpose

The purpose of this data release is to provide the data to the public. The primary goal of the airborne magnetic and radiometric survey is to map lateral variations of magnetization and natural radioactivity that are related to differences in rock and soil type, and to aid surface and subsurface geologic mapping.
Radiometric Survey Overview Image
Radiometric Survey Overview Image

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