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Metamorphic RocksP. D56-D61
What are they?
Rocks changed b/c of “intense heat & pressure”
Called metamorphism
Happens inside Earth’s crust
Metamorphism
metamorphism animation
metamorphic rock gallery
Categories
Foliated or Non-Foliated Rocks
Are there bands/stripes or no bands/stripes?
Metamorphic Rocks Re-crystallize
Stages of Metamorphism Foliated Rocks
Slate
Schist
Gneiss
“Gneiss” Stripes!
Gneiss
Non-Foliated Rocks
Marble QuartzNo Stripes Here!
Parent Rocks
The rock that the metamorphic rock comes from.
Can you pair up the parent & metamorphic rocks?
Uses of Metamorphic RockMarble
beautiful & durable
statues & buildings (like the Taj Majal!)
Uses of Metamorphic RockSlate
foliated & able to break into thin sheets
roof tiles, chalkboards, floor tile
Uses of Metamorphic RockSchist
break it down for its minerals
talc - cosmetics, powder, lubrication
graphite - pencil “lead”, lubrication
Bellwork
Molten (melted) rock can be found above and below Earth’s surface. What is it called in each of these places? How do the rocks that form above and below ground differ?
Use the textbook p. D40-D45 if necessary.
Bellwork
What is the difference between Lava and Magma?
Use p. D40 in your textbook if you need help!
Bellwork
Describe the events that must take place for an igneous rock to form and then change into a metamorphic rock. (4 points)
D40-D45, D56-D61
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