Magnetic susceptibility and gamma ray spectrometry measurements in southwestern Montana, 2023-2024
March 4, 2025
This dataset includes rock magnetic susceptibility and gamma ray spectrometer measurements from 243 outcrops in southwest Montana during 2023-2024. The measurements were collected to understand the causative sources of airborne magnetic and radiometric survey anomalies in the Idaho-Montana porphyry belt. Sixteen magnetic susceptibility measurements were collected at each analyzed site using a ZH Instruments SM30 susceptibility meter. Gamma ray measurements were collected using a Radiation Solutions RS-230 BGO Super-SPEC Handheld Gamma-Ray Spectrometer. Geologic units were assigned from 1:100,000 scale digital geologic maps noted in the supplemental information section of the metadata file.
Citation Information
| Publication Year | 2025 |
|---|---|
| Title | Magnetic susceptibility and gamma ray spectrometry measurements in southwestern Montana, 2023-2024 |
| DOI | 10.5066/P1484G89 |
| Authors | Eric D Anderson, Benjamin P Magnin, Jonathan A Funk, Snir Attia, Mario A. Guzman, Kyle A Eastman |
| Product Type | Data Release |
| Record Source | USGS Asset Identifier Service (AIS) |
| USGS Organization | Geology, Geophysics, and Geochemistry Science Center |
| Rights | This work is marked with CC0 1.0 Universal |
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