Iron and copper.
copper
copper
copper
copper
copper
copper & iron
Some of the key minerals mined in Michigan include iron ore, copper, gypsum, salt, and sand and gravel. Iron ore is particularly abundant in the upper peninsula of Michigan, while copper mining has historically been important in the Keweenaw Peninsula.
Upper Peninsula lies North of the Lower Peninsula.
In Michigan, moose live in the Upper Peninsula. The Upper Peninsula is the area of Michigan north of the Straits of Mackinac.
Michigan's Upper Peninsula is typically abbreviated as U.P.
Michigan. The entire state of Michigan is a peninsula, upper and lower.
Copper was a valuable element that used to be mined in Michigan's Upper Peninsula. The region was a major copper mining area in the 19th and early 20th centuries, leading to economic growth and development in the area.