The Twins Group is a mine located in Skagit county, Washington at an elevation of 2,953 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: 2,953 Feet (900 Meters)
Commodity:
Lat, Long: 48.6269, -121.90140
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.
Twins Group MRDS details
Site Name
Primary: Twins Group
Secondary: Twins No.1
Secondary: Pedro
Secondary: Deer
Secondary: Cougar
Secondary: Twins No.2
Secondary: Sandy
Secondary: Mona
Secondary: Floats
Secondary: Grover
Secondary: Bear
Secondary: Antelope
Commodity
Tertiary: Iron
Tertiary: Chromium
Location
State: Washington
County: Skagit
District: Sisters
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.
Holdings
Type: Located Claim
Type: Unknown
Workings
Not available
Ownership
Owner Name: Geo Peterson
Home Office: Washington
Info Year: 1975
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
Mining Method: Unknown
Discovery Year: 1940
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Serpentine
Unknown: Olivine
Unknown: Magnetite
Unknown: Enstatite
Unknown: Chromite
Comments
Comment (Production): PRODUCTION IS ONGOING.
References
Reference (Deposit): CHROMITE DEPOSITS OF TWIN SISTERS MTS., WASHINGTON.
Reference (Deposit): SHINE MING CO CONFIDENTIAL RPT 1942 FILES USBM WFOC
Reference (Deposit): WASH, DIV. OF MINES AND GEOL. BULL. 37, 1956.
Reference (Deposit): ILLINOIS, 1953.
Reference (Deposit): ULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OF
Reference (Deposit): GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERS
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.
