Minnesota · St. Louis County
Past Producer

Gray Annex Reserve G-8

St. Louis County, Minnesota, United States
IronSilicaManganeseAluminumWaterFreePhosphorus-Phosphates
⌖ Show on mapUSGS source ↗
Commodities
PrimaryIron
TertiarySilica, Manganese, Aluminum, Water, Free, Phosphorus-Phosphates
Commodity typeB
Materials
Other materialsChert, Goethite, Hematite
Economic & production
Development statusPast Producer
First production1957
Identification
Deposit ID10268275
RegionNA
Data scoreC
Coordinates47.43079, -92.97082
References
MINERAL RESOURCES RESEARCH CENTER. MINNESOTA MININGDIRECTORY - 1981, ED. BY W.D. TRETHEWAY. UNIV. OF MINN.MINNEAPOLIS, MINN. 1981, P. 83