Sevenmile Antimony

The Sevenmile Antimony is a silver and gold mine located in Chelan county, Washington at an elevation of 3,199 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

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: Sevenmile Antimony
Secondary: Sevenmile Creek

Commodity

Primary: Silver
Primary: Gold
Tertiary: Nickel
Tertiary: Antimony

Location

State: Washington
County: Chelan
District: Railroad Creek District

Land Status

Land ownership: National Wilderness
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 Glacier Peak Wilderness In Wenatchee National Forest

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Oscar Getty, Lucerne
Years: 1952 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
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: Breccia Zone

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

Name: Granite
Role: Host
Age Type: Host Rock
Age Young: Pliocene

Analytical Data

Analytical Data: SEVERAL SAMPLES ASSAYED. MAXIMUM VALUES ARE 2.72% SB, 1% NI, 0.01 OZ/TON AU, 0.4 OZ/TON AG

Materials

Ore: Stibnite
Ore: Pyrite

Comments

Comment (Commodity): GREEN NI STAINS PRESENT

Comment (Location): NEAR WILDERNESS BOUNDARY. UNSURVEYED.

Comment (Deposit): PRESENCE OF NI IS NOT CHARACTERISTIC FOR POLYMETALLIC VEINS AND GRANITIC HOST ROCK IS NOT TYPICAL FOR MAGMATIC DEPOSITS OR MASSIVE SULFIDE DEPOSITS CONTAINING NI. 2 VEINS

Comment (Workings): ADIT

References

Reference (Deposit): CHURCH, S.E., FORD, A.B., FLANIGAN, V.J., AND STOTELMEYER, R.B., 1984, MINERAL RESOURCE POTENTIAL OF THE GLACIER PEAK WILDERNESS AND ADJACENT AREAS, CHELAN, SKAGIT, AND SNOHOMISH COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-1652-A, SCALE 1:100,000.

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. 16.

Reference (Deposit): STOTELMEYER, R.B., JOHNSON, F.L., MCHUGH, E.L., FEDERSPEIL, F.E., DENTON, D.K., JR., AND STEBBINS, S.A., 1982, MINERAL INVESTIGATION OF THE GLACIER PEAK WILDERNESS AND ADJACENT AREAS, CHELAN, SKAGIT, AND SNOHOMISH COUNTIES, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 98-82, P. 20.

Washington Gold

"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.