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26 Cards in this Set
- Front
- Back
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What is a rock?
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Naturaly formed, nonliving, solid made up of earth material.
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What is a sedimentary rock made out of?
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sediments.
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What is a igneous rock made out of?
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cooled magma(lava).
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What is a metamorphic rock made out of?
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when any rock is exposed to heat,intense pressure, chemical activity.
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formation of igneous rocks.
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when magma pushes through existing rocks forming new layers on eaths surface.
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what is an intrusive rock?
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when magma pushes through existing rocks forming new layers but not reaching earths surface.
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what is an extrusive rock?
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when magma pushes through existing rocks forming new layers reaching earths surface.
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what is solidification?
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when a rock turns from a liquid and becomes a solid.
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what is crystallization?
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when a rock turns from a liquid and becomes a solid and forming crysals.
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what is the texture of igneous rocks?
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size of mineral crystals in the rock.
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what is the composition of an igneous rock?
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depends on minerals it is made up of.
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what is felsic?
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igneous rocks that have lots of feldspars.
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what is mafic?
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igneous rocks that have lots of magnesium and iorn.
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upper half of chart
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rocks based on charestaristics
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lower half of chart
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amount of feldspar
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formation of metamorphic rocks
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when any rock is exposed to heat,intense pressure, chemical activity.
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heat
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when a solid rock is turned into a liquid
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preasure
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when a rock is compacted
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chemical activity
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when a rock is exposed to a chemical forming a new rock
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what is contact metamorphism?
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when existing rocks are exposed to magma from an extrusion and alters an older rock
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what is regonal metamorphism?
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when plates colide
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what is foliation?
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when pressure is aplied and makes rock flat
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what is banding?
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when pressure is aplied and makes rock almost flat most of these rocks appear in light to dark stripes
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what is non-flfoliated?
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no sheets
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what is icreased density?
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when more pressure is exerted that it makes pores in sedimentary rocks
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what is distortion of layers?
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when sedimentary rocks experiance metamorphism the layers ger distorted and twisted
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