1. Beginning 3/6/12

2.  Describe these 3 ways that ores are formed: (p.195-196) ◦ Cooling Magma: ◦ Contact Metamorphism: ◦ Moving water (2 ways):

3.  What is aggregate?  Name 6 ores that are mined in Michigan.  What is mined in Wayne County?  Name 4 counties that peat is mined.

4. 1. Define ore 2. List 2 of each of these types of ores: Metallic/non-metallic/fuel 3. Describe: contact metamorphism and placer deposits. 4. List in order and briefly describe the steps involved in Michigan iron ore mining. 5. Describe how/when Michigan’s most common ores were formed. (aggregate and halite)