Big Bertha Group

The Big Bertha Group is a gold mine located in Cassia county, Idaho at an elevation of 8,199 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: Big Bertha Group  

State:  Idaho

County:  Cassia

Elevation: 8,199 Feet (2,499 Meters)

Primary Mineral: Gold

Lat, Long: 42.3158, -113.58110

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 Big Bertha Group

Big Bertha Group MRDS details

Site Name

Primary: Big Bertha Group


Commodity

Primary: Gold
Secondary: Lead
Secondary: Silver
Tertiary: Copper
Tertiary: Zinc


Location

State: Idaho
County: Cassia
District: Stokes 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: Sawtooth National Forest


Holdings

Type: Located Claim


Workings

Type: Surface/Underground


Ownership

Owner Name: Big Bertha Mining Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Snake River Plain
Physiographic Detail: Deep Creek Mountains


Mineral Deposit Model

Not available


Orebody

Form: POCKETS


Structure

Type: L
Description: Anticline


Alterations

Not available


Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: ASSAYS ON ORE SAMPLES REPORTED TO CARRY $14.00 TO $16.00 IN AU/TON.


Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Pyromorphite
Ore: Galena
Ore: Tetrahedrite
Gangue: Quartz
Gangue: Specularite


Comments

Comment (Location): Lies At Summit Of The Wide Flat Ridge Between Conner Cr. And Howell Cr. .2 Mi. N.W. Of Melcher Mine

Comment (Production): Reported That 12 Tons Of Ore Were Shipped In 1891 Consisting Of Mainly Lead Carbonate With Good Values In Lead And Silver

Comment (Development): 13 Unpatented Claims

Comment (Workings): Cuts And Shafts, 35 To 120 Ft. Deep.


References

Reference (Deposit): Anderson, A. L., 1931; Geology And Mineral Resources Of Eastern Cassia County, Id.: Idaho Bureau Of Mines And Geology Bulletin 14, 169 P

Reference (Production): Anderson, A. L., 1931: Idaho Bureau Of Mines And Geology Bulletin 14


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.