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Critical minerals in zinc ore—An update on Earth Mapping Resources Initiative Research in the Boulder Batholith region, Montana

Sean Patrick Gaynor·Eric D. Anderson·Kyle A. Eastman·Karen Lund·Chris Gammons·Heather A. Lowers·Jay M. Thompson
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Abstract

Plain Language Summary U.S. Geological Survey research, in collaboration with Montana Technical University and Montana Bureau of Geology and Mines, is providing key critical mineral information that may have potential for critical mineral production of several mining districts in the Boulder Batholith region, to better understand the abundance and distribution of natural resources within this region. Continued research can be used to show the potential for previously undiscovered critical mineral resources in southwestern Montana and in other parts of the United States.

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90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 45.25° to 46.667° latitude; -113.4167° to -111.667° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Sean Patrick Gaynor, Eric D. Anderson, Kyle A. Eastman, Karen Lund, Chris Gammons, Heather A. Lowers, Jay M. Thompson. 2026-03-04. Critical minerals in zinc ore—An update on Earth Mapping Resources Initiative Research in the Boulder Batholith region, Montana. https://doi.org/10.3133/fs20263064

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Boulder Batholith region placeFact Sheet subjectMontana placeReport subjectUnited STates place

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