The 48-55 Prospect is a garnet mine located in Snohomish county, Washington at an elevation of 5,499 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
Elevation: 5,499 Feet (1,676 Meters)
Commodity: Garnet
Lat, Long: 48.01556, -121.53000
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.
48-55 Prospect MRDS details
Site Name
Primary: 48-55 Prospect
Secondary: Garnet
Secondary: Vesper Peak
Commodity
Primary: Garnet
Secondary: Copper
Tertiary: Gold
Tertiary: Silver
Location
State: Washington
County: Snohomish
District: Sultan 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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Contact Metasomatic
Operation Type: Unknown
Discovery Year: 1937
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: Skarn Cu
Orebody
Form: LENS
Structure
Not available
Alterations
Not available
Rocks
Name: Tonalite
Role: Associated
Age Type: Host Rock Unit
Age Young: Paleocene
Name: Tonalite
Role: Associated
Age Type: Host Rock
Age Young: Paleocene
Name: Tonalite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Tonalite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Grossularite
Gangue: Scapolite
Gangue: Prehnite
Gangue: Diopside
Gangue: Augite
Gangue: Vesuvianite
Gangue: Calcite
Gangue: Epidote
Comments
Comment (Geology): AREA IS MAPPED AS CHERT ON 100,000-SCALE MAP. LIMESTONE IS PROBABLY SMALL SLIVER OF MARBLE OF EASTERN MELANGE BELT WITHIN THE CHERT
Comment (Location): 300 FT SOUTHWEST OF RIDGE CREST
Comment (Deposit): DEPOSIT IS FORMED BY A LENS OF LIMESTONE THAT WAS ALTERED BY CONTACT METAMORPHISM
Comment (Workings): A FEW SHALLOW CUTS
Comment (Commodity): NONMETALLICS ARE THE PRINCIPAL COMMODITIES
References
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. 83.
Reference (Deposit): CARITHERS, WARD, AND GUARD, A.K., 1945, GEOLOGY AND ORE DEPOSITS OF THE SULTAN BASIN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 36, P. 70.
Reference (Deposit): TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SAUK RIVER 30 BY 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-692, SCALE 1:100,000.
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.
