26.4 Flashcards
Metamorphic rock is changed by a combination of which 3 things?
Heat, pressure, or chemical reactions.
Which types of rocks can be changed by metamorphism?
Igneous, sedimentary, or metamorphic.
What is it called when metamorphic changes in the 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 non-Foliated.
Define foliated texture.
When crystals are arranged in layers and bands.
Define non-foliated texture.
Rocks have crystals with more random orientations.
Metamorphic rocks are mainly classified based on which two things?
Texture and composition.
Define rock cycle.
The continual change of rocks from one type to another.
Which types of rocks are part of the rock cycle?
Sedimentary, igneous, and metamorphic.
What are the 3 types of rocks?
Sedimentary, igneous, and metamorphic.
Which type of rocks form from molten rock?
Igneous.
Which types of rocks are formed from clasts, precipitation, or compresses once living matter?
Sedimentary.
Which types of rocks are formed from heat, pressure, and chemical reactions?
Metamorphic.
