The kilns were used to process silver and lead ore and are no longer in operation today.

这只是建于1876年的一个老窑，这个窑炉是用来锻炼银子和铅的，今日已不再使用。

youdao

The ore is lead mine of partial oxidation, the lead ore consists chiefly of galena and cerusite. 39% of cerusite is the most oxid in lead ore.

所处理矿石为半氧化铅矿石，矿石中铅以方铅矿和白铅矿形式产出，铅的氧化物主要为白铅矿，分布率达39%。

youdao

There is abundant information of silver-lead ore in historical works. It stretches over the southern margin of the North China platform and the northern and southern Qinling fold belts.

它地跨华北地台南缘和北、南秦岭褶皱带，区内银、铅矿的分布与一定的地层有着特殊的联系。

youdao

It had resources: oil, gas, copper, lead, iron ore.

NEWYORKER: Election, Monitored

The Company has interests in mining for aluminum, borax, coal, copper, gold, iron ore, lead, silver, tin, uranium, zinc, titanium, dioxide feedstock, diamonds, talc and zircon.

FORBES: Guru Stocks at 52-Week Lows: VALE, RIO, FB, AAUKY, HPQ

Massive ore deposits of copper, lead, zinc, silver, gold and other metals formed in this way.

ECONOMIST: Minerals