Spanish River Carbonatite, Unorganized North Sudbury District, Sudbury District, Ontario, Canada : Geological Description:
Paleoproterozoic alkaline intrusion with an inner phase compose of sovite, pyroxenite and minor ijolite and an outer phase composed ijolite, silicocarbonatite and .
Cascade Mine (Snowdrift Mine), Twelvemile Arm, Kasaan Bay, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USA : Location: The Cascade Mine is probably about 0.2 mile northwest of the center of section 1, T74S, R83E and 1.6 miles SW of the Puyallup Mine (CR103), which is named on the USGS 1:63,360-scale .
Calumet Claim, Okanogan Co., Washington, USA : The precise location of the Calumet claim cannot be determined. The best information available is that it is on Kruger Mountain, west of Osoyoos Lake, in the Oroville District, Washington State. .
Mineral X claim (Mineral X deposit), Kingman Mining District, Cerbat Mountains (Cerbat Range), Mohave County, Arizona, USA : A REE-feldspar-Ta-Nb occurrence/claim/prospect located in the NW¼ sec. 15, T20N, R17W, G&SRM, on Bureau of Land Management administered land. Owned by Guy Hazen. The USGS MRDS database stated .
Hectorite Mine (Industrial Mineral Ventures Mine; Franklin Well), Amargosa Desert, Inyo Co., California, USA : A former clay (hectorite) mine located in sec. 6, T26N, R5E, SBM, 13.2 km (8.2 miles) ENE of Pyramid Peak (coordinates of record) and 14.1 km (8.8 miles) NNW of Death Valley Junction, in the Amargosa .