Igneous Rocks
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Igneous RocksIgneous Rocks
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Igneous rocksIgneous rocks
Are rocks formed from Are rocks formed from solidified/cooled magmasolidified/cooled magma
Are made of Are made of interlocking crystalsinterlocking crystals
Interlocking crystals Interlocking crystals make strong rock make strong rock resistant to resistant to weatheringweathering and and erosionerosion
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Igneous rock formationIgneous rock formation
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Igneous rocksIgneous rocks
Contain Contain silicatesilicate mineralsminerals; atoms of ; atoms of silicon and oxygen and other silicon and oxygen and other mineralsminerals
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Igneous rocksIgneous rocks
Are identified by 1) Are identified by 1) colorcolor 2) 2) crystal crystal sizesize
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Intrusive igneous rockIntrusive igneous rock
Is rock formed/cooled Is rock formed/cooled insideinside the the earth’s crust earth’s crust
Cools slowlyCools slowly and forms and forms larger larger crystalscrystals
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Vietnam veterans memorialVietnam veterans memorialblack graniteblack granite
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Extrusive igneous rockExtrusive igneous rock
Rock that forms when Rock that forms when lava coolslava cools Cooling is faster so crystals form Cooling is faster so crystals form
more quickly and are smallermore quickly and are smaller
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obsidianobsidian
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basaltbasalt
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Igneous RockIgneous Rock
http://videos.http://videos.howstuffworkshowstuffworks.com/.com/hswhsw/8447-basics-of-geology-igneo/8447-basics-of-geology-igneous-rock-video.us-rock-video.htmhtm
http://videos.http://videos.howstuffworkshowstuffworks.com/.com/hswhsw/8447-basics-of-geology-igneo/8447-basics-of-geology-igneous-rock-video.us-rock-video.htmhtm
http://videos.howstuffworks.cohttp://videos.howstuffworks.com/hsw/10466-forces-that-shapm/hsw/10466-forces-that-shape-the-earth-igneous-rocks-vide-the-earth-igneous-rocks-video.htmeo.htm
http://http://videos.howstuffworks.com/videos.howstuffworks.com/hsw/5929-geology-the-hsw/5929-geology-the-structure-of-the-earth-structure-of-the-earth-video.htmvideo.htm