The Swilley Gulch Bog Iron Deposit is a iron 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
Elevation: 5,600 Feet (1,707 Meters)
Commodity: Iron
Lat, Long: 44.14944, -103.75778
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.
Swilley Gulch Bog Iron Deposit MRDS details
Site Name
Primary: Swilley Gulch Bog Iron Deposit
Commodity
Primary: Iron
Location
State: South Dakota
County: Lawrence
District: Rochford 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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Alluvium
Role: Host
Age Type: Host Rock
Age Young: Holocene
Name: Alluvium
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Goethite
Ore: Limonite
Comments
Comment (Production): BETWEEN 1200 AND 1500 TONS OF BOG IRON.
Comment (Deposit): IRON OCCURS INTERMITTENTLY ALONG THE GULCH FOR MORE THAN ONE MILE. DEPOSIT CONSISTS OF BEDDED IRON - RICH MATERIAL AND POROUS REPLACEMENT OF ORGANIC MATERIAL IN SWAMPY AREAS.
Comment (Location): ALONG THE GULCH IN SECTIONS 9 AND 10
References
Reference (Deposit): U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
Reference (Deposit): U.S. GEOLOGICAL SURVEY, U.S. BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY 1975, MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
