na. 　　The survey, conducted by Xinjiang's natural resources department and the Xi'an bureau of the China Geological Survey in Shaanxi province, found that selenium-rich soil forms a belt stretching nearly 1,000 kilometers along the southern foothills of the Tia......

5000000中国及邻区大地构造图》和《从全球看中国大地构造》。获国家自然科学一等奖等。 　　 Ren Jishun (C.-S. Jen) (born in Huayin, Shaanxi, on February 6, 1935): Geologist 　　Graduated from the Department of Geology, Northwest University in 1955; elected member of t......

geochronology and work methods in metamorphic terrains. In the 1970s, made a survey of iron and copper deposits in Qinghai and Shaanxi. In the 1980s, performed intensive studies of high-grade metamorphic rocks and major geological events in the North China platf......