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8
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A method of dating rocks and minerals using radioactive isotopes.
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9
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A long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. Sedimentary Rock/ Rock that has formed through the deposition and solidifi
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11
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The formation of new areas of oceanic crust.
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15
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A system of chronological dating that relates geological strata to time.
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18
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Hot molten or semi-fluid rock erupted from a volcano or fissure.
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19
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The two sublayers of the earth’s crust (lithosphere) that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches.
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20
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The process of determining an age on a specified chronology in archaeology and geology.
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22
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A rock that is created from extreme heat and pressure.
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24
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The process of eroding or being eroded by wind, water, or other natural agents.
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25
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Hot fluid or semifluid material below or within the earth’s crust from which lava and other igneous rock is formed by cooling.
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26
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The first geological time period of the Paleozoic Era.
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31
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The remains or impression of a prehistoric organism.
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32
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The two sub-layers of the earth's crust (lithosphere) that move.
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33
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The science that deals with the earth’s physical structure and substance, it’s history, and the processes that act on it.
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1
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The earliest 4.06 billion years of Earth’s history and before the current Phanerozoic Eon.
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2
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A fossil that is useful for dating and correlating the strata in which it is found.
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3
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Wear away or change the appearance or texture of by long exposure to the air.
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4
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An idealized cycle of processes undergone by rocks in the earth’s crust, etc. Lithosphere/ The rigid outer part of the earth, considering of the crust and the upper mantle.
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5
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A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth’s crust.
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6
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Lift up or raise.
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7
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A basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers.
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10
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A long and distinct period of history with a particular feature or characteristic.
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12
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Be broken by a fault or faults.
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13
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The science of determining the relative order of past events.
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14
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A period of time in history or a person’s life.
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16
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Very long period of time.
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17
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A length or portion of time.
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21
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Matter that settles to the bottom of a liquid.
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23
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Form into a hard outer layer.
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27
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A rock formed through the cooling and solidification of magma or lava.
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28
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Something that is no longer existing.
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29
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A core sample that is typically removed from an ice sheet
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30
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The action of deposing someone.
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