ROCKS

Untitled Slide

• Igneous
• Sedimentary
• Metomorphic

Igneous

• Extrusive-solidify above earths surface
• intrusive-solidify below earths surface
• examples- granite and pegmatite

Sedimentary

• Clastic-rocks from pieces of other rocks
• Chemical- rocks formed from dissolved material
• examples are coal and limestone

Metomorphic

• Foliated- produced by exposure to heat and pressure
• Non-Foliated- rocks do not have layers or bonded pressure
• examples are slate and phyllite