Mesatchee Creek Prospects

The Mesatchee Creek Prospects is a copper mine located in Yakima county, Washington at an elevation of 4,701 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: Mesatchee Creek Prospects  

State:  Washington

County:  Yakima

Elevation: 4,701 Feet (1,433 Meters)

Commodity: Copper

Lat, Long: 46.87917, -121.41417

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 Mesatchee Creek Prospects

Mesatchee Creek Prospects MRDS details

Site Name

Primary: Mesatchee Creek Prospects
Secondary: American River
Secondary: Morse-Union


Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold


Location

State: Washington
County: Yakima


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

Not available


Ownership

Owner Name: Duval International Corp.
Years: 1973 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1895
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: Porphyry Cu


Orebody

Form: DISSEMINATED AND IN NARROW VEINLETS


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Granodiorite Sericitized, Silicified; Rhyolite Heavily Stained By Fe-Oxides


Rocks

Not available


Analytical Data

Analytical Data: 27 SAMPLES YIELDED MAXIMUMS OF TR AU, 0.2 OZ/TON AG, 0.072% CU


Materials

Ore: Chalcocite
Ore: Chalcopyrite
Ore: Pyrite


Comments

Comment (Deposit): Discovery Year: 1890'S

Comment (Location): UNSURVEYED

Comment (Commodity): SUPERGENE COPPER MINERALS ARE RARE

Comment (Development): DUVAL ENCOUNTERED SECONDARY CHALCOCITE ZONE IN DRILL HOLE

Comment (Workings): 3 ADITS, SEVERAL PITS, DIAMOND DRILL HOLE


References

Reference (Deposit): HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.

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. 54-55.


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