Types of Rocks
By Luke Shaw
Metamorphic Rocks
-Quartzite is a metamorphic rock
-Metamorphic is created by heat and pressure
-Metamorphic comes from the Greek meaning of a word that means to change form
-Phylite is a metamorphic rock too
Sedimentary rocks
-An example of a sedimentary rock is limestone and coal
-The process of a sedimentary rock is weathering,erosion,and deposition
-The process of sediment compacting into sedimentary rock is called compaction
-Sedimentary rocks are found more underground because there is heat and pressure
Igneous Rocks
-Igneous rocks is created from magma and lava
-Granite is an igneous rock
-There is 700 different igneous rocks
-Most of Earth's crust is made out of igneous rocks