Montana Geology
All sorts of content about Montana geology: its rocks, landforms and deep history.
Geologic Map of Montana
The Big Sky State mapped by Montana State University and presented here at two sizes.
The Big Sky State mapped by Montana State University and presented here at two sizes.
Geologic Quadrangle Maps of Montana
Served by the Montana Bureau of Mines and Geology.
Served by the Montana Bureau of Mines and Geology.
Top 10 Geological Field Trip Locations in Montana/Yellowstone
Assembled by the experts of Carleton College, this list includes road logs.
Assembled by the experts of Carleton College, this list includes road logs.
Montana Earth Science Pictures
Helena teacher Rod Benson has amassed a hefty resource for other teachers, plus dozens of annotated geologic photos from all over Montana.
Helena teacher Rod Benson has amassed a hefty resource for other teachers, plus dozens of annotated geologic photos from all over Montana.
Bear Gulch Fish Fossils
The rocks of eastern Montana yield impressive fish fossils from Misissippian times.
The rocks of eastern Montana yield impressive fish fossils from Misissippian times.
Central Montana Geology
Consulting geologist David Baker presents detailed field-trip notes and information on the central part of the state, including its sapphire mines.
Consulting geologist David Baker presents detailed field-trip notes and information on the central part of the state, including its sapphire mines.
Glacial Lake Missoula
Look for its signs all around Missoula in the high mountain west of Montana. This introduction is on glaciallakemissoula.org.
Look for its signs all around Missoula in the high mountain west of Montana. This introduction is on glaciallakemissoula.org.
Glacial Lake Missoula Field Trip
Steve Dutch presents the geology of the lake's flood path with lots of road photos.
Steve Dutch presents the geology of the lake's flood path with lots of road photos.
Glacier National Park
The National Park Service's guide to the rocks and landforms of this splendid park in northern Montana.
The National Park Service's guide to the rocks and landforms of this splendid park in northern Montana.
Hell Creek Fossil Area
This part of Garfield County in eastern Montana, a National Natural Landmark, has yielded many famous dinosaurs.
This part of Garfield County in eastern Montana, a National Natural Landmark, has yielded many famous dinosaurs.
Lewis and Clark Caverns State Park
A two-mile tour goes through this cave near Whitehall in western Montana.
A two-mile tour goes through this cave near Whitehall in western Montana.
Makoshika State Park
The state's best badlands are preserved here in far eastern Montana.
The state's best badlands are preserved here in far eastern Montana.
Medicine Lake
This National Natural Landmark in northeastern Montana displays exceptional glacial landscape features.
This National Natural Landmark in northeastern Montana displays exceptional glacial landscape features.
The Montana Dinosaur Trail
Twelve institutions and a state park are tied in one thread across Montana on this virtual trail.
Twelve institutions and a state park are tied in one thread across Montana on this virtual trail.
Montana Mineral Museum
Exhibits of minerals from the state and elsewhere are in this museum in Butte on the Montana Tech campus.
Exhibits of minerals from the state and elsewhere are in this museum in Butte on the Montana Tech campus.
Montana Peaks
In this gallery of Mountain West peaks, seven are in Montana.
In this gallery of Mountain West peaks, seven are in Montana.
Square Butte
This textbook laccolith in central Montana's Chouteau County is a National Natural Landmark.
This textbook laccolith in central Montana's Chouteau County is a National Natural Landmark.
Stillwater Complex and Beartooth Mountains
A workshop for petrology teachers, led by Kurt Hollocher, visited the great Stillwater intrusion and the granites of the Beartooth Highway in southwestern Montana.
A workshop for petrology teachers, led by Kurt Hollocher, visited the great Stillwater intrusion and the granites of the Beartooth Highway in southwestern Montana.
Tobacco Root Geological Society
This group has an annual field conference and issues the journal Northwest Geology, with road logs and scholarly articles.
This group has an annual field conference and issues the journal Northwest Geology, with road logs and scholarly articles.
Upper Missouri River Breaks National Monument
A site by the Bureau of Land Management surveys the geology and other characteristics of these rugged lands.
A site by the Bureau of Land Management surveys the geology and other characteristics of these rugged lands.
Montana Campgrounds
About.com's David Sweet guides you to the best outdoor places to stay.
About.com's David Sweet guides you to the best outdoor places to stay.
Montana Maps
About.com's Matt Rosenberg helps get you oriented.
About.com's Matt Rosenberg helps get you oriented.
Montana Scenic Roads
About.com's Darren Smith shows you the best ways to get around.
About.com's Darren Smith shows you the best ways to get around.