Highland Mine

The Highland Mine is a feldspar, beryllium, and mica mine located in Custer county, South Dakota at an elevation of 5,600 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Highland Mine  

State:  South Dakota

County:  Custer

Elevation: 5,600 Feet (1,707 Meters)

Commodity: Feldspar, Beryllium, Mica

Lat, Long: 43.76639, -103.67806

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Highland Mine

Highland Mine MRDS details

Site Name

Primary: Highland Mine
Secondary: Ross Mine
Secondary: John Ross Lode


Commodity

Primary: Feldspar
Primary: Beryllium
Primary: Mica
Secondary: Tantalum
Tertiary: Lithium


Location

State: South Dakota
County: Custer
District: Custer District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Black Hills National Forest


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: New York Holding Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1907
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills


Mineral Deposit Model

Not available


Orebody

Form: ELLIPTICAL


Structure

Not available


Alterations

Not available


Rocks

Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Beryl
Ore: Albite
Ore: Muscovite
Ore: Lithiophilite
Ore: Microcline
Gangue: Uranophane
Gangue: Apatite
Gangue: Cassiterite
Gangue: Uraninite
Gangue: Pyrrhotite
Gangue: Zircon
Gangue: Tourmaline
Gangue: Pyrite
Gangue: Vivianite
Gangue: Quartz
Gangue: Garnet


Comments

Comment (Location): NE 1/4, NE 1/4, NE 1/4

Comment (Workings): A LARGE OPEN PIT, AN INCLINED SHAFT AND STOPE, A 90 FT ADIT AND A SMALL PROSPECT PIT. THE OPEN PIT IS 65 FT DEEP. THE INCLINED SHAFT IS 46 FT DEEP.

Comment (Deposit): 3 ZONES WITH A POSSIBLE CENTRAL QUARTZ MASS


References

Reference (Deposit): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707

Reference (Deposit): FISHER, D.J., 1945, PRELIMINARY REPORT OF SOME PEGMATITES NEAR CUSTER, SOUTH DAKOTA GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS 50

Reference (Deposit): ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18


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