26.4 Flashcards
- Metamorphic rock is changed by a combination of which 3 things?
heat pressure and chemical reactions
- Which types of rocks can be changed by metamorphism?
igneous sedimentary and metamorphic
- What is it called when metamorphic changes in rocks occur over large areas?
regional metamorphism
- What is it called when metamorphic changes in rocks occur over small changes?
contact metamorphism
When shale is compressed, which type of metamorphic rock is created?
slate
- What are the two types of metamorphic rock textures?
foliated and nonfoliated
- Define foliated texture
Foliated texture has crystals that are arranged in layers and bands
- Define nonfoliated texture
Where crystals are randomly placed in orientations
Metamorphic rocks are mainly classified based on which two things?
Texture and Composition
Define Rock Cycle
The continual change of rocks from one form to another
Which types of rocks are part of the rock cycle?
Sedimentary Igneous and Metamorphic
What are the 3 types of rocks?
Metamorphic Sedimentary and Igneous
Which type of rocks form from molten rock?
Igeous
Which types of rocks are formed from clasts, precipitation, or compressed once living matter?
Sedimentary
Which types of rocks are formed from heat, pressure, and chemical reactions?
Metamorphic