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PLATE BOUNDARIES
  • rhon Ibabao

  • 問題数 26 • 10/1/2023

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  • 1

    An american geologist

    Harry hess

  • 2

    When was seafloor spreading theory proposed

    1960's

  • 3

    Coined the term "seafloor spreading"

    Robert S. Dietz

  • 4

    New oceanic crust is formed at mid ocean ridges and spreads outwards, pushing older crust away from the ridge.

    Sea floor spreading

  • 5

    A deep canal in the ocean floor

    Trench

  • 6

    meaning of SONAR

    Sound Navigation and Ranging

  • 7

    Uses longitudinal waves to find and identify objects in the water

    SONAR

  • 8

    Region between an oceanic trench and the associated volcanic arc found in convergent margins

    Forearc

  • 9

    A.K.A destructive plate boundary

    Convergent Boundaries

  • 10

    It occurs when two plates push against each other

    Convergent Boundaries

  • 11

    areas where tectonic plates dive beneath other plates into earth's interior

    Subduction zones

  • 12

    100km before subducting plate heats up

    Depth of earthquakes

  • 13

    Two seismologist

    Kiyoo Wadati and Hugo Benioff

  • 14

    Three Convergent Boundaries

    Oceanic to Continental Convergence Oceanic to Oceanic Convergence Continental to Continental Convergence

  • 15

    Sierra madre mountain range, Andes Mountains and Cascade Range

    Oceanic to continental convergence

  • 16

    Trenches, The arc of volcanic islands

    Oceanic to Oceanic Convergence

  • 17

    Zone of kountains - The himalayas

    Continental to continental Convergence

  • 18

    A.K.A constructive plate boundary

    Divergent Boundaries

  • 19

    It occurs when two plates move apart from each other

    Divergent Boundaries

  • 20

    This plate is characterized by tensional stresses that normally produce long rift zones, normal daults, and basaltic volcanism

    divergent Boundaries

  • 21

    A.K.A conservative plate boundary

    Transform Boundaries

  • 22

    Two plates slide horizontally past one another

    Transform boundaries

  • 23

    These are generally vertical and prallel to the direction of movement. They are produced by sharing and are closely related to Divergent plate boundaries on the ocean floor

    Transform Boundaries

  • 24

    Pccur in the ocean floor

    Fracture zones

  • 25

    When on land

    Faults

  • 26

    Three types of transform plate boundaries

    Ridge-Ridge transform Ridge-Trench transform Trench-Trench transform