Lost Creek Prospect

The Lost Creek Prospect is a silver, gold, and copper mine located in Snohomish county, Washington at an elevation of 3,799 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: Lost Creek Prospect  

State:  Washington

County:  Snohomish

Elevation: 3,799 Feet (1,158 Meters)

Commodity: Silver, Gold, Copper

Lat, Long: 47.86611, -121.43583

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 Lost Creek Prospect

Lost Creek Prospect MRDS details

Site Name

Primary: Lost Creek Prospect


Commodity

Primary: Silver
Primary: Gold
Primary: Copper


Location

State: Washington
County: Snohomish
District: Index 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-Snoqualmie National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: E. J. Wallace, C. L. Byron
Home Office: Seattle, Wa.
Years: 1912 -


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: DISSEMINATED


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Eocene

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene


Analytical Data

Analytical Data: ASSAYED $4/TON AU, 2.8 OZ/TON AG


Materials

Ore: Pyrite
Ore: Chalcopyrite
Ore: Bornite
Ore: Chalcocite
Gangue: Quartz


Comments

Comment (Workings): 3 ADITS, SHAFT

Comment (Geology): DEPOSIT IS NEAR CONTACT WITH INDEX BATHOLITH. GEOLOGIC MAP SHOWS AREA AS UNDERLAIN BY SEDIMENTARY ROCKS OF THE SWAUK FORMATION; QUARTZITE MAY REFER TO THESE ROCKS OR TO A SMALL SLIVER OF EASTERN MELANGE BELT METASEDIMENTARY ROCKS, ALTHOUGH THERE ARE NO LIKELY STRUCTURES SHOWN IN AREA OF PROSPECT

Comment (Deposit): FRACTURE ZONE CONTAINING DISSEMINATED ORE MINERALS


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. 87.

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. 18.


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