Igneous Rock
Sedimentary Rock
Metamorphic
Rock Terms Grab
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Rock that forms when magma cools and
hardens
Answer
Igneous rock that is rich in feldspars and silica and generally light in color
Answer
What can change the angularity of sediment?
Answer
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
Bowen’s reaction series
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Igneous rock that is rich in Mg and Fe is generally
dark in color
Answer
Sedimentary rock that is made up of rock fragments that become compacted or cemented together
Answer
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Clastic Rock
Layers and bed of sedimentary rock are examples of ________
Answer
Stratification
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The crystallization and removal of different
minerals from cooling magma
Answer
Fractional Crystallization
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Lumps that have compositions different from the main body of
rock
Answer
Forms when minerals precipitate from a solution or settle from a suspension
Answer
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Chemical sedimentary Rock
Rocks that forms when existing rock is altered by forces of
heat, pressure or chemical processes
Answer
Changes in temperature and pressure over a
large area
Answer
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
Answer
What does the strength of a rock depend upon?
Answer
The type of minerals that
make up the rock
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How do most sedimentary rocks form?
Answer
Compaction and Cementation
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Answer
Rocks from magma that cools deep inside Earth’s
crust
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
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Rocks change from one type to another as a result of geologic forces and
processes that are part of the ______
The Rock Cycle
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A type of rock with vesicular texture has what in it?
Answer
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
Answer
Organic Sedimentary
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Granite has large, well-developed crystals giving it
what kind of texture?
Answer
Coarse-grained texture
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When magma forms by partial melting, which of the following mineral pairs melt
first?
Answer
Quartz/ feldspar
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