1974年以来,太行山北段涞水—易县—涞源地区和南段邯邢地区重砂中,陆续发现了含铅水锡石,1978年在燕山地区河流中也找到了此种矿物。但含量一般仅几粒/20公斤。经河北易县西柳泉一带的野外调查,含铅水锡石产于蓟县系雾迷山组燧石白云岩破碎带内。 Since 1974, lead-containing cassiterite has been found successively in the heavy sand in the Xishui-Yixian-Laiyuan area and the southern Hanxingxing area of ​​the Taihang Mountains. In 1978, such minerals were also found in rivers in the Yanshan area. But usually only a few grains / 20 kg. According to the field investigation in Xiliuquan, Yixian County, Hebei Province, lead-bearing cassiterite was produced in the chert dolomite crust zone of the Wumishan Formation in Jixian.