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.
The Upper Peninsula of Michigan lies north of the Lower Peninsula. The two peninsulas are separated by the Straits of Mackinac, with the Upper Peninsula bordered by Lake Superior to the north and Lake Michigan to the south. Thus, the Upper Peninsula is the northernmost part of the state.
Michigan's Upper Peninsula is typically abbreviated as U.P.
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.