Mongaugon Township, is a former township of Wayne County in the U.S. state of Michigan. Quarries including the DTE Energy Sibley Quarry that mines, gray limestone and celestine associated with calcite, fluorite, gypsum, epsomite, and rarely, sulfur were first worked by the French circa 1749. United States forces aided by Muskrat French defeated United Kingdom aided by Native Americans forces at the Battle of Monguagon during the War of 1812.