Igneous Rock Sedimentary Rock Metamorphic Rock Terms Grab Bag 100 200 300 400 500.

Igneous Rock

Sedimentary Rock

Metamorphic

Rock Terms Grab

Bag

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Rock that forms when magma cools and

hardens

Answer

Igneous Rock

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Igneous rock that is rich in feldspars and silica and generally light in color

Answer

Felsic Rock

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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

Mafic

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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

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

Concretions

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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

Metamorphic

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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

Foliated

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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

Answer

Extrusive Igneous Rock

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Formations that spread over 100 km

squared

Answer

Batholiths

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Process in which minerals precipitate

into pore spaces between sediment grains and bind

sediments together

Answer

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Cementation

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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

Answer

Porphyritic

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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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