矽卡岩型金银铜铁多金属矿床等是本区砂金矿的物质来源。

The source materials of the placer gold deposit in the area are from skarn — typed Au — Ag — Cu — Fe polymetallic ore.

youdao

矽卡岩型金银铜铁多金属矿床等是本区砂金矿的物质来源。

The source materials of the placer gold deposit in the area are from skarn — typed Au — Ag — Cu — Fe polymetallic ore.

youdao