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Texas A&M Geology 101
Lab Review: Metamorphic Rock
5
Geology
Undergraduate 1
02/22/2010

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Term
Foliated
Definition
rocks exhibit foliations, or layers.
Term
Non-foliated
Definition
No visible layers
Term
Contact Metamorphism
Definition
Locally, igneous intrusion and along fractures that are in contact with watery hot (hydrothermal) fluids.
Term
Hydrothermal Metamorphism
Definition
the latter process of contact metamorphism that involves condensation of gases to form liquids, which may precipitate to form liquids, which may precipitate mineral crystals along the the fractures.
Term
Regional Metamorphism
Definition
Occurs over large areas (regions), such as deep within cores or rising mountain ranges and generally is accompanied by folding rock layers.
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