1. Geologic Maps
Lecture 38

2. Geologic Map of the US

3. Symbols found on geologic maps

5. Horizontal Strata

6. Geologic map of part of the Grand Canyon
Geologic map of part of the Grand Canyon. Each color represents a different formation.

7. Inclined strata

8. Dome

9. Geologic map of the Black Hills of South Dakota, a large structural dome.

10. The Black Hills of South Dakota are a structural dome.

11. Basin

12. Bedrock geologic map of the Great Lakes region

13. Michigan Basin

14. Surficial geology map of the Great Lakes region

15. Plunging Folds

16. Geologic map of Valley and Ridge of Pennsylvania

17. Satellite image of central Appalachians
Area in last picture

18. False color satellite image of folded sedimentary rocks, central Appalachian Mountains.

19. Faults

20. Geologic map of thrust belt in Montana

21. Angular Unconformity

22. Geologic map of the southern Appalachians
Geologic map of the southern Appalachians. Note the Nashville Dome, folds, faults, and an unconformity.

23. Method for constructing a geologic cross section