Delmar Mine

The Delmar Mine is a gold mine located in Lemhi county, Idaho at an elevation of 6,299 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

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.

Site Name

Primary: Delmar Mine

Commodity

Primary: Gold
Secondary: Lead
Secondary: Copper

Location

State: Idaho
County: Lemhi
District: Eureka 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: Salmon National Forest

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: N. E. Mills, H. O. Klaus (Delmar Min. And Milling Co.)

Production

Not available

Deposit

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

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains

Mineral Deposit Model

Not available

Orebody

Form: TABULAR, PINCH AND SWELL

Structure

Type: L
Description: Contact Zone, Granitic Pluton

Alterations

Alteration Type: L
Alteration Text: Oxidation, Gouge, Silicification.

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

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

Analytical Data

Not available

Materials

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

Comments

Comment (Location): IN WALLACE CR DRAINAGE, W OF MOOSE CR RD ; INFO FROM LAND.ST :(1978)

Comment (Development): 18 UNPATENTED CLAIMS MADE BY DELMAR MINING CO. ON OLD PROPERTY IN 1950. SMALL MILL ON PROPERTY.

Comment (Deposit): QUARTZ VEIN PINCHES OUT ALONG HIGHLY GOUGY PART OF FAULT ZONE.

Comment (Workings): INACCESSIBLE OLD SHAFTS AND ADITS. RECENT BULLDOZED CUTS AND OPEN, 450-FT CROSSCUT.

References

Reference (Deposit): ANDERSON, A. L., 1959, GEOLOGY AND MINERAL RESOURCES OF THE NORTH FORK QUADRANGLE, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 118, 92 P.

Reference (Deposit): 1913 GEOLMAP UMPLEBY, J.B., U.S. GEOLOGICAL SURVEY BULL. 528.

Reference (Deposit): 1959 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 118

Reference (Deposit): ANDERSON, A. L., 1958, THORITE AND RARE EARTH DEPOSITS IN THE LEMHI PASS AREA, LEMHI CO., IDAHO (ABS): MINING ENG. JOUR., V. 10, NO. 12, P. 1242 - 1243.

Reference (Deposit): USGS BULL 528.

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.