Corder Group Prospect

The Corder Group Prospect is a silver mine located in Elmore county, Idaho at an elevation of 7,999 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

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Site Name

Primary: Corder Group Prospect

Commodity

Primary: Silver
Tertiary: Gold
Tertiary: Copper
Tertiary: Bismuth
Tertiary: Molybdenum
Tertiary: Lead

Location

State: Idaho
County: Elmore
District: Black Warrior 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: Surface/Underground

Ownership

Owner Name: C. C. Corder
Years: 1967 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Deposit Type: Vein
Operation Type: Surface-Underground
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: LENSES, VEINLETS

Structure

Type: R
Description: Montezuma Fault

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: 2 - FT SAMPLE ACROSS VEIN CONTAINED : TR. AU, 9.9 OZ. AG/TON, MINOR AMOUNTS CU, PB, BI, AND 0.01% MO. DUMP SAMPLE ASSAYED : TR. AU, 0.2 OZ AG/TON. OTHER RANDOM CHIP SAMPLES OF VEINS HAD 0 - TRACE AU AND 0.04 - 23.5 OZ AG/TON

Materials

Ore: Malachite
Ore: Galena
Ore: Chalcopyrite
Gangue: Hematite
Gangue: Quartz
Gangue: Limonite
Gangue: Pyrite

Comments

Comment (Deposit): Another Lens Strikes N 40 Deg W, Dips Vertically; Another Vein Trends N 20 Deg W And Dips Steeply E

Comment (Location): S. Face Of Ridge Between Grouse And Johnson Creeks Land Status Value Calculated 7-94 Using Gis Overlay Analysis With Usfs Land Ownership Boundaries, 1:126,720 Scale.

Comment (Location): The Corder Group Of Claims Are Along The North Rim Of Grouse Creek In Secs 8&9, T7n, R11e And Sec 12, T7n, R10e. They Extend More Than A Mile East-West And Include Much Of The South Face Of The Ridge Between Grouse And Johnson Creeks. Thirteen Samples Collected Over The Area Contained Zero To Trace Gold, Trace To 805 Grams Silver Per Tonne, Trace To 0.01 Percent Copper, Zero To 0.01 Percent Molybdenum, Zero To Trace Tin And Lead, And A Minor Amount Of Bismuth In One Sample.

References

Reference (Deposit): Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

Reference (Deposit): V.E. Mitchell, Et. Al, Mines And Prospects Map Series, 1981, Hailey Quad

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.