Integrated Midterm Practice

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Across
  1. 3. Rock type that can be dated with Uranium-238
  2. 4. Amalgamation of all continents between 335-220 Ma
  3. 6. Contains Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian periods
  4. 9. Plates slide towards each other (boundary)
  5. 11. Duration of time involving isotopic decay rate
  6. 12. Amalgamation of most continents between 635-200 Ma
  7. 14. The upwelling of magma to Earth’s surface
  8. 15. A material datable using Carbon-14
  9. 17. Two plates pulling part on land (formation)
  10. 19. Original isotope
  11. 22. Contains Paleogene, Neogene, and Quaternary periods
  12. 23. Plates slide along each other (boundary)
  13. 24. Period between 201.3-145 Ma
  14. 26. Two plates pulling apart in the ocean (formation)
  15. 27. Contains Triassic, Jurassic, and Cretaceous periods
Down
  1. 1. Islands created by oceanic plate subduction
  2. 2. Plates move apart from each other in opposing directions (boundary)
  3. 5. Version of atom with extra neutrons
  4. 7. Contains Hadean, Archean, and Proterozoic Eons
  5. 8. Period between 251.9-201.3 Ma
  6. 10. Period between 358.9-298.9 Ma
  7. 13. Two plates pushing together on land (formation)
  8. 16. Release of energy from transform fault slip
  9. 18. When a plate is pulled beneath another plate and into the mantle
  10. 20. Period between 419.2-358.9 Ma
  11. 21. Valley in the ocean created by oceanic plate subduction
  12. 25. Isotope after decay