Our mission is to provide information for the sound use of Montana’s geological and water resources.

Our vision is to be Montana’s lead source of geologic and water information.

As a non-regulatory State agency within the Montana University System, we serve as Montana’s geologic survey, addressing topics ranging from earthquake monitoring and geologic mapping to energy development and groundwater. We are housed on the campus of Montana Technological University and maintain a fully staffed office in Billings.

Learn more about the MBMG

Current Events/Featured Topics

MBMG 2024 Annual Screensaver

The 2024 MBMG screensaver, with striking photos of Montana geology, scenery, and wildlife taken by MBMG staff and their families.


2024 MBMG Calendar

The 2024 MBMG calendar featuring the Hebgen Lake earthquake and Madison Slide is now available for sale.

2024 MBMG Calendar

Montana Mining & Mineral Symposium 2023

We want to thank the ~80 attendees and 25 speakers who attended the 2023 Montana Mining & Mineral Symposium, presented by the Montana Bureau of Mines and Geology. We'll announce when the Symposium Proceedings are ready!


MBMG research into critical minerals in Montana

Watch our new video exploring the ongoing MBMG research into critical minerals in Montana.

Helena Earthquake

MBMG on Montana Public Radio

MBMG's Steve Quane joined the Big Why on Montana Public Radio to chat about the mystery of Ringing Rocks.

Dendrites in AgateCoverPhoto

Discovery Channel filmed at the MBMG's Mineral Museum

Recently the Discovery Channel filmed at the MBMG's Mineral Museum, with our Centennial gold nugget! Watch for an update when this episode airs.


Newly Released! The MBMG GIS Data Hub

The MBMG GIS Data Hub Site is our newly developed interactive web platform for everyone to explore our web maps and analytical web applications. The Hub Site will also provide the download links for GIS data of interest via individual web applications. Geology, geohazards, water resources, environmental studies, energy resources, and mineral resources GIS data is all available via the GIS Hub Site.


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