长坑金、银矿床主要产于下石炭统与上三叠统不整合面之下的硅质岩中，金、银矿体分离。该矿床位于粤西金、银矿床集中区的东部边缘，从......

The newly discovered Changkeng Au-Ag deposit is a new type of sediment-hosted precious metal deposit. Most of the previo......