Metamorphic Rocks
Published on Mar 30, 2017
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
How and where are they formed?
- DEEP in earth's crust
- Formed by extreme heat and pressure
Photo by Adventures of Pam & Frank
Characteristics
- Were once a SR, IR or even another MR
- Still remain somewhat of a solid
- Two types: foliated and non-foliated
Photo by jimmypk218
Two types of MR
- foliated - bands of minerals line up (kinda like striping)
- Non-foliated - minerals not arranged in lines
Photo by jimmypk218
Due to slow cooling deep in earth's crust, metamorphic rocks will often have large crystals
Photo by Ruth and Dave
They get buried to depths in the earth where there are high temps and lots of tectonic plate pressure so they soften and get SQUEEZED!
Photo by jimmypk218
