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, and metamorphic
what is it called when metamorphic changes and 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 type of metamorphic rock textures?
foliated and nonfoliated
define foliated texture?
crystals arranged with layers and bands
define nonfoliated texture
crystals are randomly placed
matamorphic rocks are mainly classified based on which two things?
texture and composition
define rock cycle
continual changing from one rock type to another
which types of rocks are part of the rock cycle?
igneous,sedimentary,metamorphic
what are the 3 types of rocks?
igneous, sedimentary, metamorphic
which type of rock forms from molten rock?
igneous
which types of rocks are formed from clasts, precipitation, or compressed onceliving matter?
sedimentary
which types of rocks are formed from heat,pressure,and chemical reactions?
metamorphic