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Flashcards covering key concepts about metamorphic rocks, their formation, and characteristics.
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Metamorphic Rocks
Rocks that change underground due to heat and pressure without melting.
Definition of 'Metamorphic'
Changing.
Formation Causes of Metamorphic Rocks
Heat and pressure.
Do Metamorphic Rocks Melt?
No.
Types of Rocks that Become Metamorphic
Igneous and sedimentary.
Where do Metamorphic Rocks Form?
Underground.
Mineral Changes During Metamorphism
They change due to heat and pressure.
Uplift
The process that brings metamorphic rocks back to the surface.
Foliated Metamorphic Rocks
Rocks with layers or bands caused by pressure.
Cause of Foliation
Pressure.
Examples of Foliated Rocks
Slate, Schist, Gneiss.
Non-Foliated Metamorphic Rocks
Rocks with no layers formed mostly by heat.
Cause of Non-Foliated Rocks
Heat.
Examples of Non-Foliated Rocks
Marble, Quartzite.
Origin of Marble
Marble comes from limestone.
Origin of Quartzite
Quartzite comes from sandstone.
Origin of Slate
Slate comes from shale.
Origin of Gneiss
Gneiss comes from granite.
Effect of Pressure on Rocks
Leads to foliated rocks.
Effect of Heat on Rocks
Leads to non-foliated rocks.
What Happens if a Rock Melts?
It becomes an igneous rock.