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Coarse grained igneous rock similar to basalt |
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A valley made from faults in the earths crust |
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Water and sediment that flows off continental shelf into deep ocean |
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Oldest parts of continents |
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Where the continental shield has been covered by relatively horizontal sedimentary rock |
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Underwater volcanoes; mostly extinct, usually never have been above surface |
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Mounds of basalt on deep ocean floor |
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Highly deformed areas of continents, usually on edges of continents |
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Family of silicate minerals; most abundant in Earth's crust |
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Igneous rocks that cool and solidify at earth's surface |
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Part of continent; under shallow layer of ocean's water |
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Transition between continental edge and deep ocean |
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