Alaskite Chromium Occurrence
The Alaskite Chromium Occurrence is near Limestone, Montana. Historically the site has been associated with the Stillwater Mining District which is now part of the Gallatin National Forest. Ore mineralization has been found at this location and the size of the deposit is estimated to be small, however the precise grade, tonnage, and extent of the mineralization are not known. There has been no production and little to no activity other than routine claim maintenance since the mineral discovery. The ore mined is composed of chromite. The Middle Rocky Mountains physiographic province of the Rocky Mountain System characterize the geomorphology of the surrounding area.
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Additional textual information about a site or mine.
UNSURVEYED. IN CUSTER NATIONAL FOREST.
Formal or informal mining district names.
AGE OF STILLWATER COMPLEX IS 2, 705 +/-4 MA BASED ON U-LEAD SYSTEMATICS ON ZIRCON-BADDELEYITE (PREMO AND OTHERS, 1990 ). ALASKITE MAY BE A LARGE TILTED BLOCK WITHIN THE STILLWATER COMPLEX.
Geologic structural features affecting or characterizing the site or mine.
Tectonic setting in which the site or deposit is situated.
Physiographic area where the resource is found.
Other deposits in the same region.
Picket Pin Platinum Occurrence
Picket Pin Platinum Prospect
Monkey East Camp Zone Palladium Occurrence
Monkey West Platinum Occurrence
Janet Copper Occurrence
Coors Palladium Occurrence
Iron Mountain Chrome Chromium Occurrence
Iron Mountain Nickel-Copper Iron Creek Nickel Occurrence
Iron Creek Nickel Prospect
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
Learn more about the Bureau of Land Management, Public Land Survey System, and mining claims.
Understanding Claim Ownership
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Understanding BLM Administrative Areas
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Understanding Location Data
Mine handled by the Bureau of Land Management are not mapped by latitude and longitude, instead, these mines harken back to the Public Land Survey System.
A “township” can refer to two different things. Both are part of the PLSS measurement system but have different uses.
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UNPUBLISHED MODEL NAME: OTHER PGE