Different Types of Rocks
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Last updated 5:24 PM on 9/24/22
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36 Terms
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Cementation
________: Dissolved substances precipitate out and act as glue.
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Obsidian
________: forms from the very rapid cooling of molten rock material.
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igneous intrusions
It formed around ________ where temperatures are high but the pressures are relatively slow.
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exposure
It is produced by ________ to heat and directed pressure.
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Gabbro
________: It contains feldspar, pyroxene, and sometimes olivine.
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Granite
________: it contains mainly quartz, feldspar, and mica minerals.
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Magma
________ cools down and solidifies above the Earths surface.
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National Geographic
According to ________, rock is a Natural substance composed of solid crystals of different minerals that have been fused together into a solid lump.
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Basalt
________: it is composed mainly of plagioclase and pyroxene.
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Lithification
________: it is a complex process whereby freshly deposited loose grains of sediment are converted into rock.
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Compaction
________: Reduces pore space due to the weight of sediments above.
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Andesite
________: It is composed mainly of plagioclase with other minerals such as hornblende, pyroxene, and biotite.
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Diorite
________: It is a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.
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Brittanica Encylopedia
According to ________, it is naturally occurring and a coherent aggregate of one or more minerals.
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Recrystallization
________: Form new crystalline mineral grains from the old ones.
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Diagenesis
________: the cycle repeats.
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Metamorphism
________: change from one rock formation to another.
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crystallization of chemical
It is formed by the ________ precipitates.
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Magma
________ cools down and solidifies inside the earths surface.
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Diorite
It is a mixture of feldspar, pyroxene, hornblende, and sometimes quartz
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Gabbro
It contains feldspar, pyroxene, and sometimes olivine
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Granite
it contains mainly quartz, feldspar, and mica minerals
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Andesite
It is composed mainly of plagioclase with other minerals such as hornblende, pyroxene, and biotite
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Basalt
it is composed mainly of plagioclase and pyroxene
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Obsidian
forms from the very rapid cooling of molten rock material
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Lithification
it is a complex process whereby freshly deposited loose grains of sediment are converted into rock
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Compaction
Reduces pore space due to the weight of sediments above
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Cementation
Dissolved substances precipitate out and act as glue
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Recrystallization
Form new crystalline mineral grains from the old ones
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Diagenesis
the cycle repeats
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CLASTIC ROCKS
formed when individual sediment made by fragments of rocks, minerals, or shells are cemented together
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CRYSTALLINE ROCKS
Chemical sedimentary rocks
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BIOCLASTIC ROCKS
organic sedimentary rocks
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Metamorphism
change from one rock formation to another
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FOLIATED METAMORPHIC ROCKS
Have layered or branded appearance
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NON-FOLIATED METAMORPHIC ROCKS
Doesnt have a layered or branded appearance
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