Iron Dike

The Iron Dike is a copper, gold, and silver mine located in Baker county, Oregon at an elevation of 1,801 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: Iron Dike  

State:  Oregon

County:  Baker

Elevation: 1,801 Feet (549 Meters)

Primary Mineral: Copper, Gold, Silver

Lat, Long: 45.02583, -116.84917

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 Iron Dike

Iron Dike MRDS details

Site Name

Primary: Iron Dike


Commodity

Primary: Copper
Primary: Gold
Primary: Silver


Location

State: Oregon
County: Baker
District: Homestead


Land Status

Land ownership: Private
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: Wallowa-Whitman National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Texasgulf Inc.

Owner Name: Silver King Mines, Inc.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1897
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Blue Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENS, EGG


Structure

Type: R
Description: Ne Trending Blue Mountains Uplift

Type: L
Description: Near-Horizontal Fault In Lowest Workings


Alterations

Alteration Type: L
Alteration Text: Silicification Of Greenstones


Rocks

Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Late Permian


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Pyrite
Ore: Sphalerite
Ore: Tetrahedrite
Gangue: Quartz
Gangue: Chlorite


Comments

Comment (Production): DEVELOPMENT IS UNDERWAY. ORE IS BEING STOCKPILED. 35 PEOPLE EMPLOYED (1980)

Comment (Deposit): RECORD (W017032) AND (M014603) MERGED AND DELETED FROM THE OREGON FILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Comment (Workings): ORE CUT OFF AT DEPTH BY A NEAR-HORIZONTAL FAULT. ON EITHER SIDE OF HIGH GRADE ORE IS A MUCH LARGER BODY OF DISSEMINATED CHALCOPYRITE IN GREENSTONE, WITH ABUNDANT QUARTZ SEAMS, VEINLETS, & NODULES THAT CONTAIN PYRITE. DEVELOPMENT & MINING IS UNDERWAY.

Comment (Geology): GREENSTONES ARE PROBABLY CORRELATIVE WITH SEVEN DEVILS VOLCANICS OF IDAHO AND CLOVER CREEK GREENSTONE OF NE BAKER QUADRANGLE.


References

Reference (Deposit): OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, 1939, OREGON METAL MINES HANDBOOK; NORTHEASTERN OREGON, EAST HALF: BULL. 14-A, P. 60

Reference (Deposit): BROOKS, H.C. AND OTHERS, 1981, MAP OF THE GEOLOGY AND GOLD DEPOSITS OF THE BOURNE QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGMI MAP GMS-19

Reference (Deposit): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1977, SUMMARY REPORT ON THE IRON DIKE MINE: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES.

Reference (Deposit): 1901 RECON LINDGREN

Reference (Deposit): 1914 ORE. BUREAU OF MINES, GEOL.

Reference (Deposit): 1916 ORE. BUREAU OF MINES. GEOL.

Reference (Deposit): BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES BULL. 61, P. 93, 100

Reference (Deposit): FREDERICKSEN, R., GALLAGHER, T.P., AND JUHAS, A.P., 1976, PRECIOUS AND BASE METAL MINERALIZATION AT THE IRON DIKE AND RED LEDGE DEPOSITS (ABS.): PAPER PRESENTED TO THE ANNUAL CONVENTION OF

Reference (Deposit): 1968 COMPILE ORE. DEPT. GEOL. MIN. IND.

Reference (Production): BROOKS AND RAMP, 1968, P. 94

Reference (Reserve-Resource): PRESS RELEASE, BAKER, OR. RECORD COURIER, 3-22-79


Oregon Gold

Where to Find Gold in Oregon

"Where to Find Gold in Oregon" 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 Oregon. Read more at Where to Find Gold in Oregon.