胶结层对采金船开采砂金矿床的影响

Influence of glued layer on gold dredging in placer gold deposit

Glued layer exists in placer gold deposits in the south of China which influences upon gold dredging greatly. It is widely distributed, intimately glued, easily grouped. On the basis of mining experience, the author has explored it's distribution and geological characteristics, pointed out it's influence on gold dredging, introduced current methods for handling it and emphysized the significance of solving this difficult problem on gold dredging.