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Rock Cycle

Ch. 6, pg.125

QuestionAnswer
Igneous Rock Means "from fire". This type of rock forms from hardened magma
magma molten rock
Sedimentary Rock Rock that is formed from sediment that has been compressed, cemented together, and hardened.
Sediment Rocks, mineral Crystals, and organic matter that have been broken into fragments.
Metamorphic Rock Means "changed form". When preexisting rock changes its form by heat, chemical processes, and pressure.
The Rock Cycle The series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geological processes.
Bowen's Reaction Series the simplified pattern that illustrates the order in which minerals crystallize from cooling magma according to their chemical composition and melting point.
chemical stability A measure of the tendency of a chemical compound to maintain its original chemical composition rather than break down to form different chemical.
Partial melting the process when different minerals in rock melt at different temperatures.
Fractional Crystallization The process when different minerals crystallize from cooling magma at different times
Intrusive Igneous Rock magma that cools deep below the Earth's surface.
Extrusive igneous Rock Magma that cools at Earth's surface
Course-Grained Igneous Rock Igneous rock that contains large amounts of mineral grains
Fine-Grained Igneous Rock Igneous rock that is composed of small crystals.
Porphyritic texture Igneous rock that has large and small crystals.
glassy texture has a small amount of dissolved gasses
vesicular texture A rapid cooling process that causes a rock filled with holes\bubbles
Felsic texture has a large proportion of silica
Mafic has less silica than felsic
intermediate has less silica than felsic but more than mafic
Batholiths The largest form of intrusive rock
Laccoliths When magma flows underground and forms a dome shaped figure
Sills When magma flows between a rock and hardens
Dikes When magma flows through rock by force
Chemical Sedimentary Rock Formed from minerals that were once dissolved in water
Clastic Sedimentary Rock Sedimentary Rocks that forms when fragments of preexisting rocks are compacted or cemented together.
foliation when mineral grains are formed in planes or bands
Nonfoliated rock Rocks that dont have these bands
Created by: summerkizo
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