Texas Tectonics

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Carter Keairns, presents Texas Tectonics to the 2013 Master Naturalist, Hill Country Chapter training class.

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Texas Tectonics

  1. 1. North American Tectonic reconstructions are from the website of Dr. Ron Blakey at N.Arizona University These are by far the best reconstructions I have found http://cpgeosystems.com Colorado Plateau Geosystems I have outlined Texas for the purposes of our Geology Talk, Enjoy! -Carter Keairns 512-757-0735 carteroil@yahoo.com
  2. 2. ~575 mya Late PreCambrian
  3. 3. ~575 mya Late PreCambrian
  4. 4. ~510 mya Mid-Cambrian
  5. 5. ~500 mya Late Cambrian
  6. 6. ~485 mya Early Ordovician
  7. 7. ~470 mya Mid Ordovician
  8. 8. ~450 mya Late Ordovician
  9. 9. ~430 mya Early Silurian
  10. 10. ~420 mya Late Silurian
  11. 11. ~400 mya Early Devonian
  12. 12. ~385 mya Mid Devonian
  13. 13. ~360 mya Late Devonian
  14. 14. ~345 mya Mid Mississippian
  15. 15. ~325 mya Late Mississippian
  16. 16. ~315 mya Early Pennsylvanian
  17. 17. ~300 mya Late Pennsylvanian
  18. 18. ~290 mya Early Permian
  19. 19. ~275 mya Mid Pennsylvanian
  20. 20. ~260 mya late Permian
  21. 21. ~245 early Triasssic
  22. 22. ~230 mya Mid Triassic
  23. 23. ~210 late Triassic
  24. 24. ~195 mya early Jurassic
  25. 25. ~180 mya early Jurassic
  26. 26. ~170 mya mid Jurassic
  27. 27. ~150 mya late Jurassic
  28. 28. ~140 mya early Cretaceous
  29. 29. ~130 mya early Cretaceous
  30. 30. ~115 mya early Cretaceous
  31. 31. ~100 mya Late Cretaceous
  32. 32. ~85 mya Late Cretaceous
  33. 33. ~75 mya Late Cretaceous
  34. 34. ~65 mya K-T Boundary
  35. 35. ~60 mya Paleocene
  36. 36. ~50 mya Eocene
  37. 37. ~40 mya Eocene
  38. 38. ~25 mya Oligocene
  39. 39. ~15 mya Miocene
  40. 40. ~8 mya Miocene
  41. 41. ~3 mya Pliocene
  42. 42. ~0.12 mya Quaternary Glacial
  43. 43. Present Day

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