Idaho · Boise County
Past Producer

Boulder Group Mine

Boise County, Idaho, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLINEAR
Ore controlShear Zones
Materials
GangueQuartz
Geology
Host rockGranite
Associated rockGranite · Idaho Batholith-Granite
AlterationOxidation; Fe And Mn Stains
Economic & production
Development statusPast Producer
Identification
Deposit ID10069875
MRDS IDW007619
RegionNA
Data scoreB
Coordinates43.91821, -115.7879
References
BALLARD, SAMUEL M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN,BOISE CO., IDAHO: IDAHO BUREAU OF MINES & GEOL. BULL. 9, P. 97.ANDERSON, A.L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 236-237.1924 GEOLMAP IDAHO BUR MINES, BULL. 91947 GEOLMAP ANDERSON, A.L., BULL. 944-CBALLARD, 1924, IDAHO BUREAU OF MINES BULL. NO. 9, P. 98