Monarch Mine

The Monarch Mine is a gold mine located in Elmore county, Idaho at an elevation of 7,001 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

Name: Monarch Mine  

State:  Idaho

County:  Elmore

Elevation: 7,001 Feet (2,134 Meters)

Primary Mineral: Gold

Lat, Long: 43.78, -115.11470

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.


Satelite image of the Monarch Mine

Monarch Mine MRDS details

Site Name

Primary: Monarch Mine


Commodity

Primary: Gold
Tertiary: Tungsten
Tertiary: Silver


Location

State: Idaho
County: Elmore
District: Atlanta District Or Middle Boise 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
Year First Production: 1865
Discovery Year: 1863
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENTICULAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidation , Gouge


Rocks

Not available


Analytical Data

Analytical Data: 1 30-FT. WIDE CROSSCUT AVERAGED $20.80 AU AND $1.40 AG (BASED ON $20.67 AU). ORE ON 2 LOWER LEVELS AVERAGED $7.50/TON AU AND AG.
Analytical Data: $7.50 - $2000 AU, AG/TON. ANDERSON, 1939, REPORTS $7.25 AU AND AG/TON ASSAY FOR AVERAGE 7.5 FT ORE ZONE


Materials

Ore: Silver
Ore: Pyrargyrite
Ore: Polybasite
Ore: Argentite
Ore: Miargyrite
Ore: Stephanite
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Location): At The Head Of Quartz Gulch ; Between Buffalo Discovery And Boise-Rochester

Comment (Deposit): Pettit And Dump Raise Veins Strike N 80 To 85 Deg W, Dip 80 Deg Sw.

Comment (Production): About $1,000,000 Total Production (To 1928). Total Produced Exceeds $2,000,000. Production Intermittent - 1865 - 1936

Comment (Workings): Many Branches Of The Vein At Angles To The Ne Trend Have Approximately E - W Strike

Comment (Geology): Lamprophyre Dike Strikes N 80 Deg E

Comment (Development): 6 Patented Lode Claims, 5 Patented Mill - Sites, 3 Patented Placers, Plus Several Unpatented Claims, 5 - Stamp Mill. Amalgamation-Flotation Concentrator, Areal Tram 1.75 Mi. Long.


References

Reference (Deposit): Ballard, S. M., 1928, Geology And Ore Deposits Of The Rocky Bar Quadrangle: Idaho Bureau Of Mines & Geol. Pam. 26, P. 31.

Reference (Deposit): 1928 Geolmap Idaho Bureau Of Mines & Geol. Pam. 26

Reference (Deposit): 1939 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 49

Reference (Production): Ballard, S. M., 1928, Idaho Bureau Of Mines & Geol. Pam. 26, P. 31 ; Anderson, A.L., 1939, Idaho Bureau Of Mines And Geology Pamphlet 49, 71 P.

Reference (Deposit): Anderson, A.L., 1939, Geology And Ore Deposits Of The Atlanta District, Elmore County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 49, 71 P.


Idaho Gold

Where to Find Gold in Idaho

"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 at Where to Find Gold in Idaho.