Application of Veinal Mineral in the Patio Underpropped with Wood
LI Yong1,Zhang Xiaodong1,2,SONG Changbao1
1.Qinghai province colored geology&m ine reconnaissance bureau,Xining 810007,Qinghai,China;
2.Eighth team of Qinghai Province Nonferrous metal Geo-exploration Bereau , Xining 810012,Qinghai,China