The Boise - Rochester Mine is a silver and gold mine located in Elmore county, Idaho at an elevation of 6,171 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: 6,171 Feet (1,881 Meters)
Commodity: Silver, Gold
Lat, Long: 43.7867, -115.10720
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.
Boise - Rochester Mine MRDS details
Site Name
Primary: Boise - Rochester Mine
Secondary: Bagdad Chase
Secondary: General Pettit Lombard
Secondary: Stedtman
Secondary: Old Chunk
Commodity
Primary: Silver
Primary: Gold
Tertiary: Sulfur
Location
State: Idaho
County: Elmore
District: Atlanta District Or Middle Boise 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: Boise National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Talache Mines Inc.
Production
Year: 1936
Time Period: 1870 - 1936
Material type: ORE AU/AG
Description: Cp_Grade: ^0.328 To 0.4614 Oz. Au Per Ton, Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1869
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
Form: LENTICULAR
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Sericitization, Oxidation , Silicification, Gouge, Brecciation
Rocks
Not available
Analytical Data
Analytical Data: CONCENTRATE VALUED AT $40 - $140 PER TON, MILL - HEAD VALUES $7 - $10/TON . AU ASSAYS FROM .328 TO .4614 OZ./TON
Analytical Data: AG ASSAYS FROM 1.038 TO 1.734 OZ./TON
Materials
Ore: Silver
Ore: Pyrargyrite
Ore: Polybasite
Ore: Proustite
Ore: Miargyrite
Gangue: Quartz
Gangue: Pyrite
Gangue: Gypsum
Comments
Comment (Deposit): UPPER PART OF OLD CHUNK ORE DIPS STEEPLY SE
Comment (Location): ADJOINS THE MONARCH PROPERTY ON THE NE. ; FROM E. CREST OF ATLANTA HILL TO BOTTOM OF MONTEZUMA GULCH (2700 FT.)
Comment (Production): ABOUT $1,000,000 TOTAL PRODUCTION (TO 1928). PRODUCTION PROBABLY EXCEEDS $2,500,000. HIGH AND LOW GRADE ORES MIXED. PRODUCTION INTERMITTENT - 1870 - 1936 .
Comment (Development): 40-STAMP MILL; POWER PLANT; 150-TON CYANIDE PLANT; 100-TON FLOTATION PLANT. ST. JOSEPH LEAD CO. CONTROLLED OVER 10 PATENTED AND 19 UNPATENTED CLAIMS, INCLUDING OTHER PROPERTIES ; ECON.COM: ORE DIFFICULT TO TREAT, ONLY 1/2 OF CONTENTS AMENABLE TO PLATE AMALGAMATION; THE METHODS OF CONCENTRATION AND CYANIDING THE CONCENTRATES GAVE UNSATISFACTORY RESULTS.
References
Reference (Deposit): BALLARD, S. M., 1928, GEOLOGY AND ORE DEPOSITS OF THE ROCKY BAR QUADRANGLE: IDAHO BUREAU OF MINES & GEOL. PAM. 26, P. 33
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.
Reference (Deposit): 1917 DIREXPL ST. JOSEPH LEAD COMPANY
Reference (Deposit): 1928 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 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. 33; ANDERSON, A.L., 1939, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 49, 71 P.
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.
