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Igneous Rock
Sedimentary Rock
Metamorphic
Rock Terms Grab
Bag
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Rock that forms when magma cools and
hardens
Answer
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Igneous rock that is rich in feldspars and silica and generally light in color
Answer
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What can change the angularity of sediment?
Answer
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How far the rock has been carried, the agent that
carried it
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The pattern that illustrates the order in which
minerals crystallize from cooling magma
Answer
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Bowen’s reaction series
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Igneous rock that is rich in Mg and Fe is generally
dark in color
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Sedimentary rock that is made up of rock fragments that become compacted or cemented together
Answer
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Clastic Rock
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Layers and bed of sedimentary rock are examples of ________
Answer
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Stratification
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The crystallization and removal of different
minerals from cooling magma
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Fractional Crystallization
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Lumps that have compositions different from the main body of
rock
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Forms when minerals precipitate from a solution or settle from a suspension
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Chemical sedimentary Rock
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Rocks that forms when existing rock is altered by forces of
heat, pressure or chemical processes
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Changes in temperature and pressure over a
large area
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Regional metamorphism
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This texture results when extreme pressure causes
minerals in Metamorphic rock to realign, or when
minerals separate out into dark and light bands
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What does the strength of a rock depend upon?
Answer
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The type of minerals that
make up the rock
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How do most sedimentary rocks form?
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Compaction and Cementation
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Answer
Rocks from magma that cools deep inside Earth’s
crust
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Intrusive igneous
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Rock formed from the cooling and solidification of lava at Earth’s surface
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Extrusive Igneous Rock
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Formations that spread over 100 km
squared
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Process in which minerals precipitate
into pore spaces between sediment grains and bind
sediments together
Answer
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Answer
Rocks change from one type to another as a result of geologic forces and
processes that are part of the ______
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The Rock Cycle
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A type of rock with vesicular texture has what in it?
Answer
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Air bubbles from dissolved gases
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Texture with a mixture of large and small crystals
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Forms from the remains of plants and animals
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Organic Sedimentary
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Granite has large, well-developed crystals giving it
what kind of texture?
Answer
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Coarse-grained texture
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When magma forms by partial melting, which of the following mineral pairs melt
first?
Answer
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Quartz/ feldspar
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