The Cleopatra Group is a antimony, silver, and copper mine located in King county, Washington at an elevation of 3,176 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: 3,176 Feet (968 Meters)
Commodity: Antimony, Silver, Copper
Lat, Long: 47.63556, -121.45889
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.
Cleopatra Group MRDS details
Site Name
Primary: Cleopatra Group
Secondary: Cleopatra
Secondary: Aces Up
Commodity
Primary: Antimony
Primary: Silver
Primary: Copper
Secondary: Zinc
Secondary: Lead
Secondary: Gold
Tertiary: Arsenic
Tertiary: Tungsten
Location
State: Washington
County: King
District: Miller River 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 Alpine Lakes Wilderness In Mount Baker-Snoqualmie National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Edward Maloney
Home Office: Skykomish, Wa.
Years: 1949 -
Owner Name: Cascade Mining Co.
Years: 1948 -
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: VEINS, FRACTURE FILLINGS
Structure
Type: L
Description: Nw-Trending Shear Zone
Alterations
Alteration Type: L
Alteration Text: Kaolinized, Sericitized
Rocks
Name: Diorite
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: MAX. 581 OZ AG/TON, $10 AU AT CLEOPATRA. ORE ZONE AVERAGED 20 OZ/TON AU AT CLEPOATRA. OCCASIONAL STREAKS TO 20 OZ/TON AG AT ACES UP. GUALTIERI AND OTHERS (1975) CONTAIN SEVERAL ANALYSES
Materials
Ore: Tetrahedrite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Scheelite
Ore: Sphalerite
Ore: Jamesonite
Gangue: Kaolinite
Gangue: Calcite
Gangue: Sericite
Gangue: Quartz
Comments
Comment (Location): IN CLEOPATRA BASIN ON WEST FORK MILLER RIVER
Comment (Deposit): HIGH-GRADE SILVER OCCURRENCE IN TWO PARALLEL STRUCTURES. TWO MAIN ORE ZONES
Comment (Workings): CROSSCUTS AND DRIFTS, SHAFT
Comment (Deposit): MRDS RECORD D001645 HAS BEEN MERGED WITH THIS RECORD AND DELETED
References
Reference (Deposit): PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, P. 79-83.
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. 295.
Reference (Deposit): GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO 004724N, P. 47.
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. 108.
Reference (Deposit): GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPIEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AREA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, P. 67-71.
Reference (Production): GUALTIERI AND OTHERS, 1975
Reference (Reserve-Resource): GRANT, 1976
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.
