The Little Myrtle Lake Area is a copper mine located in King county, Washington at an elevation of 4,400 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: 4,400 Feet (1,341 Meters)
Commodity: Copper
Lat, Long: 47.55694, -121.37639
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.
Little Myrtle Lake Area MRDS details
Site Name
Primary: Little Myrtle Lake Area
Secondary: Upper Myrtle Lake
Secondary: Mudge Claims
Commodity
Primary: Copper
Location
State: Washington
County: King
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
Not available
Ownership
Not available
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: VEIN
Structure
Type: R
Description: Northwest-Trending Shear Zones
Type: L
Description: Shear Zone
Alterations
Alteration Type: L
Alteration Text: Host Rocks Said To Be Altered But Character Of Alteration Not Described
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: SAMPLES CONTAIN MAXIMUM OF 0.025% CU
Materials
Ore: Pyrrhotite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Deposit): AREA SAID TO HAVE POTENTIAL FOR THE DISCOVERY OF AG, CU, AND MO AND MAY BE AN EXTENSION OF THE MIDDLE FORK ZONE SYSTEM OF PORPHYRY DEPOSITS
References
Reference (Analytical Data): GUALTIERI AND OTHERS, 1975
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): 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. 24.
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. 136-138.
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.
