The Eagan Mine is a copper and silver mine located in Washington county, Idaho at an elevation of 3,399 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: 3,399 Feet (1,036 Meters)
Commodity: Copper, Silver
Lat, Long: 44.5719, -117.07170
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.
Eagan Mine MRDS details
Site Name
Primary: Eagan Mine
Secondary: Egan
Commodity
Primary: Copper
Primary: Silver
Tertiary: Antimony
Tertiary: Lead
Tertiary: Zinc
Location
State: Idaho
County: Washington
District: Mineral District
Land Status
Land ownership: Private
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.
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1895
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Cuddy Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR
Structure
Type: R
Description: Area Appears To Be On The North Limb Of A Faulted Anticline Of General N.E. Trend
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: ORE OF LOW GRADE CHEMICAL ANALYSIS OF SAMPLE GAVE 16.3 OZ AG/TON, 0.2 % PB, 1.3 % CU, 1.6 % SB, NO AU
Materials
Ore: Chalcopyrite
Ore: Tetrahedrite
Ore: Sphalerite
Ore: Galena
Gangue: Quartz
Gangue: Calcite
Gangue: Siderite
Gangue: Pyrite
Gangue: Barite
Comments
Comment (Workings): WORKINGS CONFINED TO 4 ADITS AND 2 INTERMEDIATE LEVELS.
Comment (Location): LOCATED 1 MILE ABOVE OLD TOWN OF MINERAL, ON STEEP SLOPE FACING N. FK. OF DENNETT CR.
Comment (Commodity): MINE IN OPERATION: 1890'S - 1905, 1919 - 1922
Comment (Deposit): VEIN DIP VARIES 25 - 55 DEG NE
Comment (Geology): METALLIC MINERALS ARE FINE-GRAINED AND SHOW A TENDENCY TO FORM BANDED, DISCONTINUOUS CONCENTRIC STRUCTURES, SUGGESTING COLLOFORM. DARK GRAY MEDIUM GRAINED DIORITE. HOST VOLCANICS, HIGHLY ALTERED OF LATITIC MATURE, QTZ-LATITE.
Comment (Deposit): Discovery Year: 1890'S
References
Reference (Deposit): ANDERSON, A. L., AND WAGNER, W. R., 1952, RECONNAISSANCE GEOLOGY AND ORE DEPOSITS OF THE MINERAL DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 95, 26 P.
Reference (Deposit): SMOLAK, G.M., 1924 , AN INVESTIGATION OF THE METALLURGICAL TREATMENT OF A LOW GRADE SILVER ORE FROM THE MINERAL MINE AT MINERAL, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS; 51 P.
Reference (Deposit): 1952 RECON IDAHO BUREAU OF MINES AND GEOL., PAMPHLET 9
Reference (Deposit): IDAHO BUREAU OF MINES & GEOLOGY PAMPHLET 13, P. 27.
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.
