The Homestake Mine is a gold 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: Gold
Lat, Long: 44.35611, -103.76444
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.
Homestake Mine MRDS details
Site Name
Primary: Homestake Mine
Commodity
Primary: Gold
Secondary: Silver
Location
State: South Dakota
County: Lawrence
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Homestake Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Stratabound
Operation Type: Unknown
Discovery Year: 1875
Discovery Method: Ore-Mineral Not In Place
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
Form: ORE BODIES ARE IRREGULAR PIPELIKE STRUCTURES
Structure
Type: R
Description: Black Hills
Type: L
Description: The Rocks Are In A Set Of Large Isoclina Folds That Have Been Refolded By Two Sets Of Smaller Folds, Which Result In Extremely Complex Configurations. Also Warping Is Caused By Tertiary Igneous Rocks And The Dome Formed Around The Cutting Stock, Exposed West Of Lead. Ore Bodies Are Located In The Younger Set Of Crossfolds.
Alterations
Not available
Rocks
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Pyrite
Gangue: Chlorite
Gangue: Pyrrhotite
Comments
Comment (Development): ORIGINAL HOMESTAKE CLAIM, APRIL, 1876 ; ECON.COM: AMALGAMATION-CYANIDATION PLANT AT LEAD, SOUTH DAKOTA
Comment (Workings): 1968 DEPTH
Comment (Geology): ORE FROM THE HOMESTAKE USUALLY CONSISTS OF MASSES OF CHLORITE AND QUARTZ WITH LEAVES, RODS OF IRREGULAR MASSES OF FREE GOLD ATTACHED WHICH IS SELDOM MORE THAN 2 CM IN LARGEST DIMENSION AND USUALLY MUCH SMALLER. EXCEPTIONAL SPECIMENS CONSISTING OF WELL-DEVELOPED ARSENOPYRITE CRYSTALS ENCLOSING OR INCRUSTED WITH NATIVE GOLD, AND OCCASIONAL OCTAHEDRAL CRYSTALS OF GOLD UP TO 2 MM IN SIZE HAVE BEEN COLLECTED.
References
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
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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