metamorphic rock ppt
TRANSCRIPT
Metamorphic Rock
Metamorphic rocks are rocks. . .
That have changed because of changes in temperature and pressure or the presence of hot fluids
Temperature increases with depth, which causes melting Different temperatures create different types of metamorphic rock
Metamorphic Rock
Any type of rock can become metamorphic… Igneous/sedimentary/other metamorphic
Classified in 2 ways: Foliated Non-foliated
Foliated Metamorphic Rocks Line up in parallel layers
Example: shale turns into slate
Example: granite turns into gneiss
Does not have layering
Example: sandstone turns into quartzite
Non-Foliated Metamorphic Rocks
Example: limestone turns into marble
Foliated or Nonfoliated?
Foliated (Schist)
Foliated or Nonfoliated
Nonfoliated (Marble)
Foliated or Nonfoliated
Foliated (Phyllite)
Wrap Up Questions…
Q: What type of rock can turn into a metamorphic rock?
A : Any type… igneous/sedimentary/other metamorphic rocks
Wrap Up Questions…
Q: metamorphic rock is created because of _____ and _______.
A: Heat and Pressure
Wrap Up Questions…
Q: How are metamorphic rocks classified?
A: Foliated and Non Foliated
Wrap Up Questions…
Q: ______ rock are banded or layered where ______ are not.
A: foliated nonfoliated
Now we will practice classifying!