Geo Terms

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Author:
KaZuma_t3
ID:
180734
Filename:
Geo Terms
Updated:
2012-10-30 01:57:27
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geo
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Description:
Geo glossary terms
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  1. solid rock beneath the soil
    bedrock
  2. large area of precambrian rock that forms the core of a continent
    shield
  3. scientist who studeis earthquakes or similar disturbances, and the efect they produce on the earth's crust
    seismologist
  4. circular motion in a gas or liquid created by uneven heating
    convection currents
  5. eroded material that is deposited by water, wind, or glacial ice
    sediments
  6. wearing awat of the earth's surface followed by the movement to other locations of materials that have worn away
    erosion
  7. history of the earth from its formation to the present. the eath's history may be divided into several major time periods
    geological time
  8. areas of low elevation containing plains and hills
    lowlands
  9. period of geologic time from the beginning of the earth to 570 million years ago
    precambrian era
  10. bending of rock layers
    folding
  11. theory by German scientist alfred wegener stating that 300 million years ago all of the earth's land masses collided to form one supercontinent called pangaea
    continental drift
  12. movement along a crack or cracks in the earth's crust
    faulting
  13. magma that has forced its way into cracks in the earth's crust
    intrusions
  14. period of geologic time from 570 million to 245 million years ago
    paleozoic era
  15. process whereby water is removed from an area by flowing our of depressions in the land such as lakes and ricers
    drainage
  16. imprints in rocks of the remains of a plant or animal that lived millions of years ago
    fossil fuels
  17. rock formed from cooling molten rock
    igneous
  18. a mineral that yields non-metals when processed
    non-metallic minerals
  19. most recent era of geological time which began 66 million years ago
    cenozoic era
  20. theory that states that the earth's outer shell consists of plates that move causing earthquakes, volcanoes, mountains, and the formation of new crust
    plate tectonics
  21. quality of a substance that does not allw water to pass through it
    impervious
  22. a type of rock formed when sedimentary and igneous rocks are subejected to great heat and pressure
    metamorphic
  23. natural and human features of the landscape
    topography
  24. rock usually formed by laters from the compression of sediments over millions of years
    sedimentary
  25. large area of precambrian rock that forms the core of canada
    canadian shield
  26. period of geologic time from 245 million to 66 million years ago
    mesozoic era
  27. process whereby softer sedimentary rocks erode more quickly than harder rock shaping the surface of the landscape
    differential erosion
  28. period of time when freezing temperatures created ice sheets across continents
    ice age
  29. slow movng mass of ice
    glaciers
  30. valley that is created when the portion of land between two faults drops down
    rift valley
  31. warm blooded vertebrate animals suck as humans and whales
    mammals
  32. super continent that included al of the earth's land masses. it existed from about 300 million to 245 million years ago
    pangaea
  33. areas of high elevation containing mountains and plateaus
    highlands
  34. mineral that yields a metal when processed
    metallic minerals
  35. water resulting from the melting of glacier ice and/or snow
    meltwater
  36. soft, low value coal sometimes used in thermal electric plants
    lignite
  37. elevated flat areas
    plateaus
  38. the sutdy of the history, composition, and structure of the earth's crust
    geology
  39. steep cliff formed by erosion or faulting
    excarpment
  40. long, narrow inlet of the sea with steep sides
    fiords
  41. what is the order of the eras from the oldest to recent
    • precambrian era
    • paleozoic era
    • mesozoic era
    • cenozoic era

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