Segregated Iron Hill Mine

The Segregated Iron Hill Mine is a gold and silver mine located in Lawrence 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

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Site Name

Primary: Segregated Iron Hill Mine

Commodity

Primary: Gold
Primary: Silver
Secondary: Lead

Location

State: South Dakota
County: Lawrence
District: Carbonate 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: Underground

Ownership

Owner Name: Carbonate Consolidated Mining Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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: IRREGULAR

Structure

Not available

Alterations

Not available

Rocks

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Plutonic Rock
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Analytical Data

Not available

Materials

Ore: Silver
Ore: Gold
Ore: Lead

Comments

Comment (Development): ON THE ULTIMO CLAIM

Comment (Geology): THE MINE IS ON THE EASTWARD EXTENSION OF THE MINERALIZED VERTICAL UPON WHICH THE ADELPHI, IRON HILL, AND SEABURY-CALKINS MINES ARE LOCATED.

Comment (Location): CENTER OF THE N 1/2

Comment (Deposit): SIMILAR TO SEABURY-CALKINS AND IRON HILL MINES

Comment (Workings): THE MAIN SHAFT MAY HAVE BEEN 150 TO 200 FEET DEEP

References

Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .

Reference (Deposit): US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 .

Reference (Deposit): SHAPIRO, LEWIS H., AND GRIES, JOHN P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.

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