CH 26.4 Flashcards
metamorphic rock is changed by a combination of which 3 things?
must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid.
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 small changes?
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
Foliation in geology refers to repetitive layering in metamorphic rocks. Each layer can be as thin as a sheet of paper, or over a meter in thickness.
define nonfoliated texture
Non-foliated textures do not have lineations, foliations, or other alignments of mineral grains.The two most common examples of non-foliated rocks are quartzite and marble. Quartzite is a metamorphic rock from the protolith sandstone.J
metamorphic rocks are mainly classified based on which two things?
define rock cycle
The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.
which types of rocks are part of the rock cycle?
sedimentary, igneous, and metamorphic
what are the 3 types of rocks?
igneous, sedimentary, and metamorphic
which type of rocks form from molten rock?
Igneous rocks
which types of rocks are formed from clasts, precipitation, or compressed once living matter?
which types of rocks ae formed from heat, pressure, and chemical reactions?
Metamorphic rock
