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25 Cards in this Set
- Front
- Back
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Igneous Rock
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rock formed form cooled and harden magmas
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Sediment
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fragments that result from the breaking of rocks, minerals, and organic matter.
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Sedimentary rock
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rock fromed from hardened deposites of sediment
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Metamorphic rock
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rock formed from other rocks as a result of intense heat, pressure, or chemical processes
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Rock Cycle
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Series of processes in which rock changes from one type to another and back again
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magma
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hot molten rock with the earth's surface
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Lava
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cooled magma at the earth's surface
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Intrusive igneous rocks
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rocks formed form the cooling of magma beneath the earth's surface
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Extrusive igneous rock
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rocks formed from molten lava that hardens on the the earth's surface
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Porphyry
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igneous rock composed of large andd small crystals
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Batholiths
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largest type of igneous intrusion, covering over 100 square kilometers and reaching a depth of thousands of meters
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Stock
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igneous intrusion with an area less than 100 square kilometers
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Laccolith
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flat-bottomed intrusion that pushes overlying rock layers into an arc
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intrusion
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what the underground rock masses made up of intrusive igneous rocks
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felsic
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magma which the rocks in the granite family form from
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Batholith
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the larges of all intrusions
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sill
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sheet of hardened magma that forms between and parallel to layers of rock
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Dike
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igneous intrusion that cuts across rock layers
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Colcano
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is a cone of extrusive rock surrounding a central vent through which the lava flows.
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Shiprock
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a dramatic example of a volcanic neck. Which is located in New Mexico
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Lava flows
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extrusions that are simply flat masses of rock
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Lava plateu
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raised, flat-topped area made of layers of hardened lava
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Three family of igneous rocks
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granite, basalt, and diorite
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Granite family
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-form from magams called felsic
-high in silica -light coloring -orthoclase feldspar, quartz, obsidian |
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basalt family
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-form from magmas clalled mafic
-dark coloring -mineral compoponents are plgioclase feldspar and augite. |
