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Earth Science U2A

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Across
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a large mass of hardened igneous rock beneath all layers of sedimentary rock
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location on the earth's surface directly over the focus of an earthquake
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volcano that is tall and steep; formed of lava and volcanic debris
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igneous rock that forms in Earth's interior
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arch-shaped, upward fold in rock
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a lower block of rock between two normal faults
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someone who creates maps
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process of heat transfer by the circulation or movement of a gas, liquid, or plastic material
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a volcanic island under sea that has been cut off by wave erosion
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magma that has low viscosity and low silica and gas content; eruption is non-explosive
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igneous rock that forms on Earth's surface
Down
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magma that is a mix of basaltic and rhyolitic; eruption may or may not be explosive
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block of rock below the slant of a fault
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mini-quakes that usually occur before a major earthquake
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vertical intrusion of magma between rock layers
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smaller earthquakes that occur after a major earthquake
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an uplifted block of rock between two normal faults
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specific point in the earth where the rock layers along a fault move, producing an earthquake
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semi-dark line that indicates the ridge of a fold on a geologic map
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provides direction of north, east, south, and west