The Rock Cycle The processes through which rocks are formed.
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Transcript of The Rock Cycle The processes through which rocks are formed.
![Page 1: The Rock Cycle The processes through which rocks are formed.](https://reader035.fdocuments.us/reader035/viewer/2022081513/5697bf7d1a28abf838c84960/html5/thumbnails/1.jpg)
The Rock CycleThe Rock Cycle
The processes through which rocks are formed
The processes through which rocks are formed
![Page 2: The Rock Cycle The processes through which rocks are formed.](https://reader035.fdocuments.us/reader035/viewer/2022081513/5697bf7d1a28abf838c84960/html5/thumbnails/2.jpg)
Igneous RocksIgneous Rocks
Form by the cooling of molten rock (either lava or magma)
Typically have a texture of random crystals
Form by the cooling of molten rock (either lava or magma)
Typically have a texture of random crystals
![Page 3: The Rock Cycle The processes through which rocks are formed.](https://reader035.fdocuments.us/reader035/viewer/2022081513/5697bf7d1a28abf838c84960/html5/thumbnails/3.jpg)
Iceland - 1980s, Alan Rubin
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Eruption of Mount St. Helens - May, 1980 (commercial slide)
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Mount St. Helens - 2004
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Middle and North Sister - Oregon Cascades
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Sedimentary RocksSedimentary Rocks Often form when particles weathered from
earlier rocks are transported (by streams, wind or glaciers) and deposited as sediment
The sediment is then buried and converted to rock by compression and cementation
Typically have a texture of small rounded particles cemented together
Often form when particles weathered from earlier rocks are transported (by streams, wind or glaciers) and deposited as sediment
The sediment is then buried and converted to rock by compression and cementation
Typically have a texture of small rounded particles cemented together
![Page 8: The Rock Cycle The processes through which rocks are formed.](https://reader035.fdocuments.us/reader035/viewer/2022081513/5697bf7d1a28abf838c84960/html5/thumbnails/8.jpg)
French Pete Creek - Oregon Cascades
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Basin and Range - eastern Nevada
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Cochetopa Creek near Gunnison, Colorado
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Creek building delta into Lyman Lake - Washington Cascades
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Cape Cod, Massachusetts
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Canyonlands National Park, UT - Needles section
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Metamorphic RocksMetamorphic Rocks
Generally form when earlier rocks are subjected to high temperatures and/or pressures (BUT without melting!)
Typically have a crystalline texture, with a pattern to the arrangement of crystals
Generally form when earlier rocks are subjected to high temperatures and/or pressures (BUT without melting!)
Typically have a crystalline texture, with a pattern to the arrangement of crystals
![Page 15: The Rock Cycle The processes through which rocks are formed.](https://reader035.fdocuments.us/reader035/viewer/2022081513/5697bf7d1a28abf838c84960/html5/thumbnails/15.jpg)
Mt. Jefferson,Oregon Cascades
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http://www.personal.psu.edu/users/c/l/cll161/insys%20441/main.html