The two main types of igneous rock
What is intrusive and extrusive?
What is unsorted?
Two main types of metamorphic rocks
What is contact metamorphism and regional metamorphism?
Igneous rocks that are low in silica/dark colored
Mafic
The three main classes of sedimentary rock
What is clastic, chemical and organic?
Type of metamorphic rock with visible layers
What is foliated?
Igneous rocks that are high in silica/ light colored
What is felsic?
Organic sedimentary rock is made out of this
What is the remains of living things?
Type of metamorphic rock with no layers/bands
What is unfoliated?
The texture of igneous rock that contains both small and large crystals
What is porphyritic?
Sedimentary rocks formed from squeezing all the water and air out
What is cementation?
True or false: This is the least abundant of the three rock categories
What is true?
The four types of texture of igneous rocks
What are coarse-grained, fine-grained, no crystals and porphyritic?
Sedimentary rock that is formed from water forming minerals that cement that fragments together
What is cementation?
The two main causes of rocks to become metamorphic