O and B Mine

The O and B Mine is a copper and gold mine located in Snohomish county, Washington at an elevation of 4,301 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: O and B Mine  

State:  Washington

County:  Snohomish

Elevation: 4,301 Feet (1,311 Meters)

Commodity: Copper, Gold

Lat, Long: 47.98056, -121.40139

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 O and B Mine

O and B Mine MRDS details

Site Name

Primary: O and B Mine
Secondary: Oliver and Birney Mine


Commodity

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


Location

State: Washington
County: Snohomish
District: Monte Cristo 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: In Mount Baker National Forest


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Reiser, A. H.
Home Office: Seattle, Wa.
Years: 1942 -


Production

Not available


Deposit

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


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Form: VEIN


Structure

Type: L
Description: Shear Zone


Alterations

Not available


Rocks

Name: Andesite
Role: Host
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Oligocene


Analytical Data

Analytical Data: $35/TON TOTAL ORE. ASSAYS OF 9 SAMPLES YIELDED MAXIMUMS OF 0.32 OZ/TON AU, 11.76 OZ/TON AG, 2.39% CU, 8.12% AS


Materials

Ore: Pyrite
Ore: Realgar
Ore: Sphalerite
Ore: Galena
Ore: Chalcopyrite
Gangue: Calcite
Gangue: Quartz


Comments

Comment (Commodity): GOLD VALUES ARE SPOTTY

Comment (Location): UNUSRVEYED. LOCATION ALTERNATIVELY GIVEN BY HUNTTING AS NW/4 SEC. 28.

Comment (Deposit): UP TO 4 FT OF ORE IN 2-50 FT WIDE FRACTURE ZONE

Comment (Geology): REGION CONSISTS OF ACCRETED TERRANES WITH OVERPRINT OF CASCADES MAGAMTISM

Comment (Workings): 3 ADITS, RAISE, CROSSCUT


References

Reference (Production): HUNTTING

Reference (Deposit): JOHNSON, F.L., DENTON, D.K., IVERSON, S.R., MCCULLOCH, R.B., STEBBINS, S.A., AND STOTELMEYER, R.B., 1983, MINERAL RESOURCES OF THE GLACEIR PEAK RARE II AREA (NO. L6031), SNOHOMISH COUNTY, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, P. 32.

Reference (Deposit): DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 360.

Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 89.

Reference (Deposit): BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 6, P. 21.

Reference (Analytical Data): JOHNSON AND OTHERS


Washington Gold

Where to Find Gold in Washington

"Where to Find Gold in Washington" 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 Arizona. Read more: Where to Find Gold in Washington.