Paleozoic Era

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Author:
jadnebalasca
ID:
217733
Filename:
Paleozoic Era
Updated:
2013-05-06 20:17:34
Tags:
Geology
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lka,smda
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  1. Cambrian mountain building
    Canadian shield
  2. Cambrian climate
    Glaciation and Tropical
  3. Cambrian Index Fossil
    Trilobites
  4. Cambrian fact
    • First vertebrates
    • Existence of Appalachian and Cordilleras
  5. Cambrian Major Deposits
    Sandstones, sandy shales, limestones
  6. Orodvician Major Deposits
    limestones in warm water
  7. Ordovician Index Fossils:
    Graptolites
  8. Ordovician climate
    Warm with later glaciation
  9. Ordovician fact
    • Formation of basins and domes
    • Delta formation by mountain deposits
    • Greatest time of the invasion of marine waters
  10. Ordovician mountain building and crustal unrest
    • Taconic mountains
    • Volcanic activity in Appalachian Trough
  11. Silurian type section
    • New York State
    • Caledown Mountains
  12. Silurian major deposits
    • Varies greatly
    • sandstone
    • conglomerate
    • limestones
  13. Silurian index fossil
    Brachiopods
  14. Silurian climate
    warm to drier
  15. Silurian mountain building
    Caledonian Rev
  16. Silurian facts
    • Existence of primitive and land plants
    • local iron ore deposits
    • Braided stream deposits formed by erosion
  17. Devonian type section
    • New York State
    • Caledonian mountains
  18. Devonian major deposits
    limestone
  19. Devonian major life (index fossils)
    • main classes of invertebrates
    • age of fishes
    • first amphibians
    • ammonoids
  20. Devonian climate
    warm
  21. Devonian mountain building
    • Acadian mountains
    • Catskill delta formed into mountains
  22. Devonian facts
    glaciation occurred at the end of the period which caused extinction
  23. Mississippian major deposit
    limestone
  24. Mississippian type section
    Mississippi River Valley
  25. Mississippian Index Fossils
    • Crinoids
    • 1st existence of reptiles
  26. Mississippian climate
    warm
  27. Pennsylvanian major deposits
    limestone and shales
  28. Pennsylvanian index fossils
    Fusulinids
  29. Pennsylvanian climate
    warm and moist
  30. Pennsylvanian facts
    • Insects
    • Coal is the primary source of energy
    • Marine fossils were replaced by swamps
  31. Permian index fossils
    Fusulinids
  32. Permian Type section
    West Texas to New Mexico
  33. Permian major deposits
    limestone
  34. Permian Major Life
    drier and more varied
  35. Permian Mountain Building
    Appalachian mountains
  36. Permian facts
    • Glaciation
    • Mass extinction - greatest time of dying

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