The Blackjack Group is a zinc mine located in Yakima county, Washington at an elevation of 5,121 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: 5,121 Feet (1,561 Meters)
Commodity: Zinc
Lat, Long: 46.73889, -121.36472
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.
Blackjack Group MRDS details
Site Name
Primary: Blackjack Group
Secondary: Black Jack
Secondary: Green
Secondary: Deep Creek
Commodity
Primary: Zinc
Tertiary: Lead
Tertiary: Copper
Location
State: Washington
County: Yakima
District: Bumping Lake 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 William O. Douglas Wilderness In Snoqualmie National Forest
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1906
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
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Silicification
Rocks
Name: Argillite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: SAMPLES ACROSS SHEAR ZONES AVERAGE 4.0% ZN, 0.02% CU, 0.07% PB. SAID TO ASSAY 20-30% ZN WHERE EXPOSED IN DEEP CREEK.
Materials
Ore: Chalcocite
Ore: Bornite
Ore: Sphalerite
Ore: Pyrite
Ore: Hematite
Ore: Galena
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Geology): HOST ROCK IS OVERLAIN BY ROCKS OF PUGET GROUP AND IS INCLUDED WITH PUGET GROUP ON GEOLOGIC MAP OF SIMMONS AND OTHERS
Comment (Deposit): 17 CLAIMS
Comment (Location): UNSURVEYED
Comment (Development): CLAIMS HAVE BEEN RELOCATED MANY TIMES
Comment (Deposit): SEVERAL MINERALIZED SHEAR ZONES
Comment (Workings): INCLINED SHAFT (FLOODED), ADIT, 5 TRENCHES, 5 PITS
References
Reference (Deposit): SIMMONS, G.C., VAN NOY, R.M., AND ZILKA, N.T., 1983, MINERAL RESOURCES OF THE COUGAR LAKES-MOUNT AIX STUDY AREA, YAKIMA AND LEWIS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1504, P. 63.
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. 382.
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.
