Igneous
Sedimentary
Metamorphic
100
Rapid cooling lava forms fine-grained igneous rocks with ___ ___
Small crystals
100
Are the lines on the rock bands or layers?
Layers
100
How are metamorphic rocks formed?
Heat and Pressure
200
The texture on an Igneous rock depends on the ___ and ___ of its mineral crystals
Size and shape
200
___ is the process by which sediment settles out of the water or wind carrying it
Deposition
200
What are two types of metamorphic rocks.
nonfoliated and foliated
300
Igneous rocks are classified according to their ___, ___, and ___ ___
Origin, texture, and mineral composition
300
What are the three major groups of sedimentary rocks?
Clastic rocks, organic rocks, and chemical rocks
300
___ and ___ are the two most of the most useful metamorphic rocks.
Marble and Slate