Metamorphic Rock Quiz Prep

• If a rock totally melts while it is changing, what type of rock does it become?

•Igneous

•When pressure causes foliation, which way do the bands go?

• Sideways to the pressure, just like if you squash a ball of clay

BEFORE AFTER

•What is Contact metamorphosis?

•Metamorphosis caused by contact with heat, such as rock near a volcano

• Where is contact metamorphism most likely to cause metamorphic rocks to form?

• In Small areas, like near the volcano

• Metamorphic Rocks that have bands of crystals OR many layers are what class of metamorphic Rock?

•FOLIATED metamorphic rock

•What type of foliation ( Banding) does Gneiss have?

•NICE easy to see bands of color

•Schist, gneiss, mica, slate and phylite are all what class of metamorphic rocks?

•FOLIATED

•Foliation occurs when pressure causes what to happen to the crystals in the rock?

•The crystals flatten and fuse together

•What is regional metamorphosis?

•Metamorphosis caused across a large region

•What could cause regional metamorphosis?

•Continental collision

• Regional metamorphism is most likely to cause what type of metamorphic rocks to form?

Rocks that need high pressure to form such as all of the foliated rocks.

•Melting heat must occur for what type of rock to form?

•Igneous rock

•Pressurized hot water can cause what type of rock to form?

•Metamorphic, like Quartzite

•Pressure can cause what type of rock to form?

•Metamorphic

•Weathering must occur for what type of rock to form?

•SEDIMENTARY

•Marble, amphibolite and quartzite are all what class of metamorphic rocks?

•NON-FOLIATED

•Limestone becomes what metamorphic rock?

•Marble

•Basalt becomes what metamorphic rock?

•Amphibolite

•Claystone becomes what metamorphic rock?

•

Slate

Slate

becomes what metamorphic rock?

•Phylite

•Phylite becomes what metamorphic rock?

•Schist or Mica

•What kind of foliation does schist have?

•Often very fine hard to see foliation