26.4 Flashcards
Metamorphic rock is changed by a combination of which 3 things?
heat pressure and chemical reaction
Which type of rock can be changed by metamorphism?
igneous, sedimentary, 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 nonfiliated
define foliated texture
rocks have crystals that are arranged in layers and bands
Define nonfoilated texture?
rocks have crystals with more random orientations
Metamorphic rock are mainly classified based on which two things?
texture and composition
Define Rock Cycle
the continual changing of rocks from one type to another
Which type of rocks are part of the rock cycle?
igneous, sedimentary,and metamorphic
What are the 3 types of rocks?
igneous, sedimentary, and metamorphic
Which type of rock form from molten rock?
igneous
Which types of rocks are formed from clasts, precipitation, or compressed once living matter?
sedimentary
Which type of rock are formed from heat, pressure, and chemical reactions?
Metamorphic