What are the Main Types of Rocks?
sedimentary rock, metamorphic rock, igneous rock
There are 3 main types of rocks:
igneous
-
sedimentary
metamorphic
GeoGallery:
Close up photos of rocks
check out this gallery to see all types of rocks
Igneous rock is a type of rock that forms from melted rock that cools and hardens.
Click here to explore igneous rocks.
gabbro
Created and designed by Mrs. Short
Click here to access lab sheet and lesson plan
Metamorphic rock is a type of rock that forms when heat or pressure change an existing rock
Click here to explore metamorphic rocks.
marble
Sedimentary rock is a type of rock that forms when layers of sediment are pressed together.
Click here to explore sedimentary rocks.
chalk
