Vein Type and Characteristic of Tiegelongnan in Duolong Ore District, Tibet.

The article presents a study that highlights vein type and characteristic of Tiegelongnan copper-gold deposit in Duolong Ore District, Tibet. Topics include pyrite- quartz veins in which content of pyrites is about 25 percent, molybdenite- pyrite vein whose width is small, and pyrite- dickite vein whose width is about 11 centimeter (cm).