Manganese Mines in Maine

Manganese Mining in Maine

Maine has 59 manganese-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.

By County

County	Sites
Aroostook County	55
Penobscot County	2
Hancock County	1
Piscataquis County	1

Manganese Mines

Mine	County	Type	Status
Adams Mountain Manganese Prospect	Aroostook		Occurrence
Adams Mountain Prospect	Aroostook	Surface	Prospect
Anderson Managanese Prospect	Aroostook		Occurrence
Aroostook River Manganese Prospects	Aroostook		Occurrence
Benn Manganese Prospect	Aroostook		Occurrence
Blue Hill Manganese Mine	Hancock	Surface-Underground	Past Producer
Bugbee-Bragdon Manganese Prospect	Aroostook		Occurrence
Capitol Hill	Aroostook	Surface	Prospect
Capitol Hill Manganese Deposit	Aroostook		Occurrence
Carpenter Manganese Prospect	Aroostook		Occurrence
Castle Hill Grange Hall	Aroostook	Surface	Prospect
Castle Hill Grange Hall Manganese Prospect	Aroostook		Occurrence
Cemetary Hill Prospect	Penobscot		Prospect
Dover-Foxcroft Prospect	Piscataquis		Occurrence
Drew Lake Manganese Prospect	Aroostook		Occurrence
Dudley Farm	Aroostook	Surface	Prospect
Dudley Manganese Deposit	Aroostook		Occurrence
Fox-McIntyre Manganese Prospect	Aroostook		Occurrence
Frenchville	Aroostook	Surface	Prospect
Frenchville Manganese Prospect	Aroostook		Occurrence
Gardner Manganese Prospect	Aroostook		Occurrence
Gelot Hill	Aroostook	Surface	Prospect
Gelot Hill Manganese Deposit	Aroostook		Occurrence
Grant Manganese Prospect	Aroostook		Occurrence
Haines Manganese Prospect	Aroostook		Occurrence
Haines Prospect	Aroostook	Surface	Prospect
Hall Hill Prospect	Penobscot		Prospect
Harkins Farm Manganese Prospect	Aroostook		Occurrence
Haskell Manganese Prospect	Aroostook		Occurrence
Haskell Prospect	Aroostook	Surface	Prospect
Henderson Hill Manganese Deposit	Aroostook		Occurrence
Henderson Hill Prospect	Aroostook	Surface	Prospect
Henderson School Manganese Prospect	Aroostook		Occurrence
Henderson School Prospect	Aroostook	Surface	Prospect
Higgins Farm	Aroostook	Surface	Prospect
Higgins Manganese Deposit	Aroostook		Occurrence
Littleton Ridge	Aroostook	Surface	Prospect
Littleton Ridge Manganese Deposit	Aroostook		Occurrence
London Farm Manganese Prospect	Aroostook		Occurrence
Lundgren School Manganese Prospect	Aroostook		Occurrence
Lundgren School Prospect	Aroostook	Surface	Prospect
Maple-Hovey Manganese Deposit	Aroostook		Occurrence
McIntyre Prospect	Aroostook	Surface	Prospect
Nickerson Farm Prospect	Aroostook	Surface	Prospect
Nickerson Manganese Prospect	Aroostook		Unknown
Northern Aroostook Manganese Dist.	Aroostook	Surface	Prospect
Perham Church Manganese Prospect	Aroostook		Occurrence
Perham Village	Aroostook	Surface	Prospect
Pierce Manganese Deposits	Aroostook		Occurrence
Richardson Manganese Prospect	Aroostook		Occurrence

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