Exam 13: Earth Materials and Plate Tectonics

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The crust is about as thick as the mantle. ​

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The Hawaiian Islands formed as the Pacific Plate moved over a(n)_______________. ​

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Intrusive igneous rocks are, in general, ____. ​

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The boundaries between sedimentary rocks that represent separate depositional events are called ____. ​

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Mafic igneous rocks are ____. ​

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Only one of the major structural zones inside Earth is liquid, and that zone is the mantle.

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Much of what we know about the internal structure and composition of Earth has come from the study of ____. ​

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Lava that erupts from a volcano and cools at Earth's surface is termed _______________ igneous rock. ​

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Lateral sliding of tectonic plates along boundaries is called ____.

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The asthenosphere is defined based on ____. ​

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Metamorphic rocks ____. ​

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Explain how paleomagnetism is relevant to the study of paleogeography. ​

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An instrument that measures P and S waves produced by earthquakes is a(n)_______________. ​

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Earth's outer core is solid rock. ​

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Compared to oceanic crust, continental crust is thicker and less dense. ​

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When the amount of dissolved minerals in ocean or lake water reach saturation they begin to _______________ and build up as a deposit on the sea or lake bottom. ​

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A(n)_______________ is a mass of exposed bedrock. ​

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Rocks derived from unconsolidated fragments that have accumulated together in a loose collection are termed _______________ rocks. ​

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Which of these features is a North American example of a transform plate boundary? ​

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One type of stratification, called _______________, is characterized by multiple thin sediment layers that accumulated in inclined, rather than horizontal, beds. Sand dunes, for example, deposit sediment in this way. (two words)​

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