The Aurora Mine is a lead, gold, and silver mine located in Madison county, Montana at an elevation of 6,001 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: 6,001 Feet (1,829 Meters)
Commodity: Lead, Gold, Silver
Lat, Long: 45.685, -112.33667
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.
Aurora Mine MRDS details
Site Name
Primary: Aurora Mine
Secondary: Aurora and Borealis
Commodity
Primary: Lead
Primary: Gold
Primary: Silver
Tertiary: Copper
Tertiary: Manganese
Location
State: Montana
County: Madison
District: Silver Star 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
Owner Name: Purves, A. And Hunt, H.
Home Office: Laurin
Years: 1950 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1875
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Highland Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Fault Trending N45w
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoarchean
Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoarchean
Analytical Data
Analytical Data: SELECTED ORE CONTAINS 2-3 OZ. AU/TON, 3-6 OZ. AG/TON, AND 5-8 % PB. DUMP GRAB SAMPLE HAD 15 OZ/TON AG, .07% CU, 2% PB AND .2% ZN. DUMP GRAB SAMPLE HAD 15 OZ/TON AG, .07% CU, 2% PB AND .2% ZN.
Materials
Ore: Galena
Gangue: Quartz
Gangue: Limonite
Comments
Comment (Workings): 1200 AND 1800 FT. ADITS, RAISING AND CROSSCUTTING.
Comment (Geology): COMPACT, OXIDIZED SULFIDE ORE ; GEOL.DESC: OXIDIZED SULFIDE ORE
Comment (Deposit): MINE WAS NEVER WORKED ON LARGE SCALE. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
Comment (Deposit): VEIN RANGES FROM 3 INCHES TO 3 FEET. EASTERN PART OF VEIN IS OFFSET 100 FEET BY N45W TRENDING FAULT.
References
Reference (Deposit): REYNER, M.L., 1950, DIRECTORY OF MINING PROPERTIES-1949: MONT. BUREAU OF MINES AND GEOL., MEMOIR 31, P. 61.
Reference (Deposit): MBMG MEM 19. P. 48.
Reference (Deposit): CONSV. DIV. COMP. DATE, 03-31-1961
Reference (Deposit): 1950 GEOLMAP MBMG MEM. 1
Reference (Production): MBMG MEM. 19.
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
