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3
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A fault in which the displacement is largely in the direction of the strike; Fault with mostly horizontal displacement.
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5
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An imaginary line around the Earth connecting the North Pole and the South Pole.
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6
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An imaginary line north and/or south of the Earth's equator and parallel to it.
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7
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A submarine mountain rising above the deep sea floor.
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9
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A deep trench in the ocean floor about 60 to 100 miles east of the Marianas Islands caused by the Pacific Ocean plate moving down under the Philippine plate.
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10
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An imaginary line around the Earth 23-1/2 degrees north of the Equator.
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11
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Asleep; Inactive
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13
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An extrusive usually dark grayish rock consisting essentially of oligoclase or feldspar.
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1
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One of the series of vast segments of thin mobile blocks that make up the crust of the Earth according to the theory of Plate Tectonics.
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2
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Having died out; No longer active, no longer in existence or use.
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4
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An imaginary line around the Earth 23-1/2 degrees south of the Equator.
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8
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Any portion of a circle.
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12
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The study of the structure, formation, and history of the Earth, especially as recorded in rocks.
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