Main commodities | Jade |
---|---|
Other commodities | Asbestos |
Ore minerals | chrysotile; nephrite (jade); tremolite |
Quadrangle map, 1:250,000-scale | AR |
---|---|
Quadrangle map, 1:63,360-scale | A-5 |
Latitude | 67.21 |
Longitude | -158.05 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | Located on south slope of Jade Mountain above Jade Creek in T. 21 N., R. 4 E., Kateel River Meridian. Shown as locality 14 in Mayfield and Grybeck (1978) and accurate to within 2000 ft. (600 m). |
Geologic description2 sq. mi. (3.2 square km) area of highly serpentinized ultramafic rock contains residual inclusions of nephrite jade and schistose nephrite containing 0.25-0.5 in. (0.5 -1 cm) wide veinlets of chrysotile and tremolite asbestos; some slip - fiber chrysotile in fibers up to 5 in. (11 cm) long (Anderson, 1945, p. 22-25). | |
Geologic map unit | (-158.052805300023, 67.2094365771472) |
---|---|
Mineral deposit model | Serpentine-hosted asbestos (Cox and Singer, 1986; model 8d). |
Mineral deposit model number | 8d |
Workings or exploration | Short tunnel driven on asbestos veins many years prior to USBM study (Heide and others, 1949). |
---|---|
Indication of production | Yes; small |
Additional commentsThere also has been minor production of nephrite jade from stream gravels of Jade Creek. |
MRDS Number | A011862 |
---|---|
References | |
Reporters | K.R. Leonard (USGS), R.L. Elliott (USGS), J.M. Schmidt (USGS) |
Last report date | 10/26/1992 |