Large-scale mafic-ultramafic related Ti-Fe-(V) deposit, consisting of several lenses and veins. The host mafic intrusion intrudes Early Precambrian units along the northern margin of the Sino-Korea Craton, and is controlled by east-west-trending ional faults. The K-Ar isotopic ages for the anorthosite range from 604 to 992 Ma. The deposits occurs at the contact zone between anorthosite and gabbro. The larger orebodies extend up to 300 - 500 m along strike, up to 500 m downdip, and range from several tens to a hundred of meters thick. The ore minerals are mainly massive. Stockworks occur only in the gabbro adjacent to the contact with anorthosites.
Ref.:
- Davis, H.W. (1951): Vanadium. US Bureau of Mines Minerals Yearbook 1949, 1262-1265 [as Tamiao].
- http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt
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Map Reference: 41°10'N , 117°53'E
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