Description
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.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Digital Data | XML | Landing page for access to the data | Open resource |
Tags
- beaverhead-county
- broadwater-county
- butte
- earth-mapping-resources-initiative
- earth-mri
- gamma-ray-spectrometry
- geology-geophysics-and-geochemistry-science-center
- geoscientificinformation
- gggsc
- helena
- jefferson-county
- lewis-and-clark-county
- madison-county
- magnetic-susceptibility
- mineral-resources-program
- montana
- mrp
- potassium
- powell-county
- radiometric
- silver-bow-county
- thorium
- united-states-of-america
- uranium
- u-s-geological-survey
- usgs
- usgs-677c44ced34e711d10b7ca7c