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26 Cards in this Set

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