26.4 Flashcards
Metamorphic rock is changed by a combination of which 3 things?
Heat, pressure, & chemical reactions.
Which types of rocks can be changed by metamorphism?
Igneous, sedimentary, or 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 two types of metamorphic rock textures?
Foliated & Nonfoliated
Define foliated texture.
Have crystals that are arranged in layers and bands.
Define nonfiated texture.
Have crystals with more random orientations.
Metamorphic rocks are mainly classified based on which two things?
Texture & Composition
Define Rock Cycle.
The continual changing of rocks from one type to another.
Which types of rocks are part of the rock cycle?
Sedimentary, Igneous, & Metamorphic
What are the 3 types of rocks?
Sedimentary, Igneous, & Metamorphic
Which types of rocks form from molten rock?
Igneous Rocks
Which types of rocks are formed from clasts, precipitation, or compressed once living matter?
Sedimentary Rocks
Which types of rocks are formed from heat, pressure, and chemical reactions?
Metamorphic Rocks