Term
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Definition
*Means to change form
*Process that creates a metamorphic from high temps and/or pressure. |
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Term
| What is a metamorphic rock? |
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Definition
A rock that is changed by high temps and/or pressures.
*No Melting
*Parent rock is the one that got metamorphized. |
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Term
FOLIATED vs. NON-FOLIATED
What is foliation? |
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Definition
*minerals that are alligned parallel to each other.
-OR-
*Rock is banded with alternating layers of light & dark colored matierials. |
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Term
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Definition
Rocks will experience differential stress.
-More stress/pressre in one direction
(ROX)<------ turns to this ()<------
This causes elongated and platy matierial. |
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Term
CLASSIFYING FOLIATED META. ROCKS
When grainsize increases its a result from....? |
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Definition
As grainsize increases----->
Its a result from temperature increase |
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Term
| When does metamorphism occur? |
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Definition
It occurs when rocks experience high Temp &/or Pressure
This happens when:
*Rocks are buried
*During mountain Building
*as techtonic plates interact. |
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