Index Gold

The Index Gold is a silver, gold, copper, zinc, and lead mine located in Snohomish county, Washington at an elevation of 3,100 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: Index Gold
Secondary: Index Gold Mines
Secondary: Inc.
Secondary: Index Silver Creek

Commodity

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

Location

State: Washington
County: Snohomish
District: Silver Creek 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 Snoqualmie National Forest

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Henry Siepmann, Seattle
Years: 1942 -

Owner Name: Sunshine Valley Minerals, Inc.
Years: 1991 -

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

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Analytical Data: TYPICAL ASSAY SAID TO BE 5.4 OZ/TON AG, 6.4% PB, 2.5% ZN, 11.59% AS

Materials

Ore: Sphalerite
Ore: Galena
Gangue: Quartz

Comments

Comment (Development): IN 1991 SUNSHINE VALLEY WAS REOPENING ROADS AND PREPARING SITE FOR DRILLING

Comment (Deposit): VEINS TREND ACROSS CONTACT OF INDEX BATHOLITH AND SWAUK FORMATION

Comment (Workings): ADIT

Comment (Production): SMALL PRODUCTION IN 1939

References

Reference (Production): HUNTTING, 1956

Reference (Deposit): DERKEY, R.E., AND GULICK, C.W., 1992, WASHINGTON'S MINERAL INDUSTRY - 1991: WASHINGTON GEOLOGY, V. 20, NO. 1, P. 3-25.

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. 351.

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. 160.

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.