1. Education

Geology of the USA

Geology of each of the 50 states in the United States, plus Washington DC and New York City.
  1. Alabama Geology (18)
  2. Alaska Geology (18)
  3. Arizona Geology (27)
  4. Arkansas Geology (18)
  5. California Geology (55)
  6. Colorado Geology (33)
  7. Connecticut Geology (25)
  8. Delaware Geology (15)
  9. Florida Geology (13)
  10. Georgia Geology (13)
  11. Hawaii Geology (12)
  12. Idaho Geology (15)
  13. Illinois Geology (16)
  14. Indiana Geology (21)
  15. Iowa Geology (31)
  16. Kansas Geology (20)
  17. Kentucky Geology (29)
  18. Louisiana Geology (9)
  19. Maine Geology (18)
  20. Maryland Geology (17)
  21. Massachusetts Geology (17)
  22. Michigan Geology (13)
  23. Minnesota Geology (36)
  24. Mississippi Geology (15)
  25. Missouri Geology (12)
  26. Montana Geology (26)
  27. Nebraska Geology (14)
  28. Nevada Geology (30)
  29. New Hampshire Geology (17)
  30. New Jersey Geology (18)
  31. New Mexico Geology (32)
  32. New York Geology (31)
  33. North Carolina Geology (18)
  34. North Dakota Geology (11)
  35. Ohio Geology (18)
  36. Oklahoma Geology (21)
  37. Oregon Geology (28)
  38. Pennsylvania Geology (17)
  39. Rhode Island Geology (11)
  40. South Carolina Geology (15)
  41. South Dakota Geology (15)
  42. Tennessee Geology (20)
  43. Texas Geology (20)
  44. Utah Geology (20)
  45. Vermont Geology (18)
  46. Virginia Geology (21)
  47. Washington Geology (34)
  48. Washington DC Geology (12)
  49. West Virginia Geology (16)
  50. Wisconsin Geology (27)
  51. Wyoming Geology (20)
  52. State Geologic Maps

Official State Rocks
Twenty-five states honor 17 different rocks as state rocks or state stones

Gallery of the State Rocks
Twenty-five states honor 17 different rocks as official emblems. See them all here.

Official State Minerals
The official state minerals of the United States, listed by state.

Gallery of the State Minerals
Nineteen states have named 17 different official minerals. See them here.

Official State Gems
Thirty-five states have named official gemstones. Here they are, listed by state.

Gallery of the State Gemstones
The 27 official gemstones of 35 states.

Official State Fossils and Dinosaurs
Of the 50 states, 38 have official state fossils or state dinosaurs (or both).

Geology of United States Highpoints
Geologist Peter Thompson describes the geology of the highest points of each state.

National Natural Landmarks
Explore the 591 U.S. National Natural Landmarks in this map from the National Park Service.

New York and San Francisco Geology
New York City and San Francisco, and their geologic blessings.

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