The Shuiyindong gold deposit, which occurs in the LongtanFormation of the Upper Permian series, is a super-large, high-grade gold ore deposit.
黔西南水银洞金矿为产于上二叠统龙潭组中的超大型、高品位金矿床，矿床由多个金矿体组成。
2
Relating with the sedimentary environments, uranium mineralization is primarily occurred in the lower-middle Triassic and the base of LongtanFormation.
铀矿化主要赋存于下—中三叠系及龙潭组底部，和沉积环境有一定关系。
3
Permian LongtanFormation coal-bearing measures under detachment structure and Cretaceous red-bed was newly discovered in Matouling well field, Hunan province.