chapter 26.4 Flashcards
Metamorphic rock is changed by a combination of which 3 things?
heat, pressure or chemical reaction
which types of rock can be changed by metamorphism?
igneous sedimentary or metamorphic
what is it called when metamorphic changes in rock occur over large areas?
regional metamorphic
what is it called when metamorphic changes in rock occur over small areas?
contact metamorphic
when shale is compressed which type of metamorphic rock is created?
slate
what are the two types of metamorphic rock textures ?
foliated nonfoliated
define foliated texture
crystal are arranged in layers and bands
Define nonfoliated texture
crystals with more random orientations
metamorphic rocks are mainly classified based on which two things?
texture
composition
define rock cycle
continual change from one rock to another
which types of rock are part of the rock cycle?
sedimentary
igneous
metamorphic
what are the 3 types of rocks?
sedimentary
igneous
metamorphic
which types of rock form from molten rock?
igneous
which types of rock are formed from clasts, precipitation, or compressed once living matter?
sedimentary
which types of rocks are formed from heat, pressure and chemical reactions?
metamorphic