Explore!

Choose one of the following topics to explore the world of Maine geology. Each subject area includes virtual geology tours, field localities, frequently asked questions, fact sheets, and links to other online resources. Don't know where to start? Try searching our entire website using "Search MGS" located on the right-hand side of the banner at the top of the page.

Choose a Topic:

• Bedrock geology
• Certification for geologists
• Coastal marine geology
• Fossils
• Geography
• Ground water and wells
• Hazards
• Maps, charts, and photos
• Mineral collecting
• Mining and quarrying
• Surficial geology
• Wetlands, lakes, and surface water