The Eclipse Group is a gold and silver mine located in Pennington county, South Dakota at an elevation of 4,400 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: 4,400 Feet (1,341 Meters)
Commodity: Gold, Silver
Lat, Long: 43.86528, -103.39583
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.
Eclipse Group MRDS details
Site Name
Primary: Eclipse Group
Commodity
Primary: Gold
Primary: Silver
Location
State: South Dakota
County: Pennington
District: Keystone 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
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Comments
Comment (Workings): SEVERAL SHALLOW SHAFTS AND OPENCUTS
Comment (Commodity): $7 A TON WITH GOLD AT $35 AN OUNCE
Comment (Location): 1:24000 QUADRANGLE MAP IS A 1954 EDITION
Comment (Deposit): SEVEN AND A FRACTION PATENTED CLAIMS, THREE UNPATENTED CLAIMS AND ONE PATTENTED PLACER CLAIM. 4 SHEAR ZONES PARTLY EXPLORED.
References
Reference (Deposit): USBM CIRC 7707, P. 98
The Top Ten Gold Producing States
![The Top Ten Gold Producing States](https://westernmininghistory.com/wp-content/uploads/2022/06/Western-States-Gold-Mine-Distribution-6-22.jpg)
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.