Laochang
中国· Yunnan未知
概述
Cu grade 0.11 percent. Reserve 1.2 million t Pb+Zn, 100,000 t Cu, 2,000 t Ag (Geological Survey of Japan, 2007). Concordant brecciated massive sulfide lens ?50 m thick. Late Paleozoic Changning-Menglian back-arc basin.
地质背景
构造环境: Mafic in primitive oceanic backarc
资源与开采
数据溯源
数据来源: USGS MRDS