Igneous Rock Sedimentary Rock Metamorphic Rock Terms Grab Bag

Rock that forms when magma cools and hardens Answer

Igneous Rock Home

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

Felsic Rock Home

What can change the angularity of sediment? Answer

How far the rock has been carried, the agent that carried it Home

The pattern that illustrates the order in which minerals crystallize from cooling magma Answer

Bowen’s reaction series Home

Igneous rock that is rich in Mg and Fe is generally dark in color Answer

Mafic Home

Sedimentary rock that is made up of rock fragments that become compacted or cemented together Answer

Home Clastic Rock

Layers and bed of sedimentary rock are examples of ________ Answer

Stratification Home

The crystallization and removal of different minerals from cooling magma Answer

Fractional Crystallization Home

Lumps that have compositions different from the main body of rock Answer

Concretions Home

Forms when minerals precipitate from a solution or settle from a suspension Answer

Home. Chemical sedimentary Rock

Rocks that forms when existing rock is altered by forces of heat, pressure or chemical processes Answer

Metamorphic Home

Changes in temperature and pressure over a large area Answer

Regional metamorphism Home

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 Home

What does the strength of a rock depend upon? Answer

The type of minerals that make up the rock Home

How do most sedimentary rocks form? Answer

Compaction and Cementation Home

Answer Rocks from magma that cools deep inside Earth’s crust

Intrusive igneous Home

Rock formed from the cooling and solidification of lava at Earth’s surface Answer

Extrusive Igneous Rock Home

Formations that spread over 100 km squared Answer

Batholiths Home

Process in which minerals precipitate into pore spaces between sediment grains and bind sediments together Answer

Home Cementation

Answer Rocks change from one type to another as a result of geologic forces and processes that are part of the ______

The Rock Cycle Home

A type of rock with vesicular texture has what in it? Answer

Air bubbles from dissolved gases Home

Texture with a mixture of large and small crystals Answer

Porphyritic Home

Forms from the remains of plants and animals Answer

Organic Sedimentary Home

Granite has large, well- developed crystals giving it what kind of texture? Answer

Coarse-grained texture Home

When magma forms by partial melting, which of the following mineral pairs melt first? Answer

Quartz/ feldspar Home