In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

These geologic hazards are identified in a series of new maps recently issued by the Montana Bureau of Mines and Geology that are available to the public. The maps discuss the hazards and ...

Back in the 1960s and 70s, a group of United States Geological Survey mappers set out to determine what rocks made up the Yellowstone Volcanic Field. Identifying the rocks that make up a region is ...

BUTTE - After 52 years, the state is getting a geologic update, thanks to the Montana Bureau of Mines and Geology in Butte. The newly released Geologic Map of Montana - a color-coded treasure of ...

After years of trying to make paper maps work on computers, the U.S. Geological Survey wants digital maps to work like paper ones. “We’re trying to make the maps look and feel like the old ...

This work culminated in publication by the Montana Bureau Mines and Geology of a regional map titled “Geologic Map of the Stillwater Complex within the Beartooth Mountains Front Laramide ...

These mostly forest-covered mountains hold a unique geologic structure, the Boulder Batholith. A batholith is a large mass of intrusive igneous rock that made its way to the surface.

While the lines, colors and points on the Montana earthquake map look scary, the USGS reports that the 5.8-magnitude earthquake wasn’t strong enough cause structural damages to buildings.