The Twin Sisters Mountain Olivine Dep is a magnesite mine located in Whatcom county, Washington at an elevation of 5,499 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.
Name: Twin Sisters Mountain Olivine Dep
Elevation: 5,499 Feet (1,676 Meters)
Lat, Long: 48.7083, -121.95830
Map: View on Google Maps
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.
Twin Sisters Mountain Olivine Dep MRDS details
Primary: Twin Sisters Mountain Olivine Dep
Secondary: Twin Sisters Mountain Olivine Dep.
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.
Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
Mining Method: Unknown
Years of Production:
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains
Mineral Deposit Model
Comment (Location): DEPOSIT COVERS THE SE/4 T. 38 N., R. 6 E., THE E/2 T. 37 N., 6 E., THE W/2 T. 37 N., R. 7 E., THE NE/4 T. 36 N., R. 6 E., AND THE NW/4 T. 36 N., R. 7 E.
Reference (Deposit): P. 69.
Reference (Deposit): WA. DIV. MINES AND GEOL. BULLETIN 37, 1960, PART I, VOL. 1,
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