Helena and Sadie Prospect

The Helena and Sadie Prospect is a silver, gold, and copper mine located in Snohomish county, Washington at an elevation of 3,599 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: Helena and Sadie Prospect  

State:  Washington

County:  Snohomish

Elevation: 3,599 Feet (1,097 Meters)

Commodity: Silver, Gold, Copper

Lat, Long: 47.95444, -121.46556

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 Helena and Sadie Prospect

Helena and Sadie Prospect MRDS details

Site Name

Primary: Helena and Sadie Prospect


Commodity

Primary: Silver
Primary: Gold
Primary: Copper


Location

State: Washington
County: Snohomish
District: Sultan District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


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: 16-20% CU, $8-10 AU


Materials

Ore: Chalcopyrite


Comments

Comment (Deposit): 3 PARALLEL SHEAR ZONES, 2 AT 30 IN. WIDE WITH 18 IN. OF ORE AND 1 AT 6 FT WIDE WITH 40 IN. OF ORE

Comment (Workings): SEVERAL SHORT ADITS

Comment (Geology): HOST ROCK IS INDICATED AS SYENITE IN REFERENCES TO PROSPECT; HOWEVER, DESCRIPTIONS OF GEOLOGIC MAP UNITS DO NOT INDICATE A SYENITIC PHASE FOR INDEX BATHOLITH

Comment (Deposit): POSSIBLY ONE OF THE UNPATENTED CLAIMS OF THE SULTAN KING PROSPECTS

Comment (Location): WEST SIDE OF SHEEP GAP MOUNTAIN


References

Reference (Deposit): TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, 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. 85.

Reference (Deposit): BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATIONS 6, P. 48.


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