The Sally Cavanaugh is a tin and mica mine located in Pennington county, South Dakota at an elevation of 5,479 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: 5,479 Feet (1,670 Meters)
Commodity: Tin, Mica
Lat, Long: 43.87306, -103.62500
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.
Sally Cavanaugh MRDS details
Site Name
Primary: Sally Cavanaugh
Commodity
Primary: Tin
Primary: Mica
Location
State: South Dakota
County: Pennington
District: Unorganized 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: Occurrence
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: DIKE
Structure
Not available
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: THE EXPOSED TIN LENS WOULD ASSAY AT ABOUT 15% SN.
Materials
Ore: Muscovite
Ore: Cassiterite
Gangue: Quartz
Gangue: Cleavelandite
Comments
Comment (Location): S 1/2, NEAR CENTER
Comment (Development): ONE UNPATENTED LODE CLAIM
Comment (Deposit): THE CASSITERITE IS ASSOCIATED WITH THE MUSCOVITE IN "SHOOTS" UP TO 2 FEET IN THICKNESS
Comment (Workings): DEVELOPMENT CONSISTS OF SEVERAL SMALL OPEN CUTS
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): 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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