Rocks and Minerals Rocks and Minerals
Mar 27, 2015
Rocks and MineralsRocks and Minerals
Types of RocksTypes of Rocks
• Igneous Rock
• Sedimentary Rock
• Metamorphic Rock
Igneous RocksIgneous Rocks
• Formed by molten rock material as it cools and hardens
• Classified as Extrusive/ Intrusive
• Examples:Basalt
ObsidianPumiceGranite
Sedimentary RockSedimentary Rock
• Formed from sediments that have been pressed together
• Classified by Clastic/ Nonclastic
• Examples:LimestoneSandstone
ShaleConglomerate
Metamorphic RocksMetamorphic Rocks
• Formed by heat and pressure
• Classified as Foliated/ Nonfoliated
• Examples:GneissSchist
QuartziteMarble
Questions to think of:Questions to think of:
• What do you notice about the color?
• How does the rock feel?
• What is the grain size of the rock?
• What is it’s weight?
• Other interesting characteristics?
• You will have 3 minutes at each station.
Rocks: MetamorphicRocks: Metamorphic
Metamorphic Rock:Metamorphic Rock:
Sedimentary Rock:Sedimentary Rock:
Example of Sedimentary Rocks:Example of Sedimentary Rocks:
More Examples of Sedimentary More Examples of Sedimentary Rocks:Rocks:
Igneous RockIgneous Rock
• Igneous Rock
Mineral:Mineral:
Rock Cycle:Rock Cycle: