白云岩矿

白云岩矿白云岩矿
  1. 红果寺炼镁用白云岩矿是北京地区普查评价的第二个炼镁用白云岩矿床。

    The magnesium-smelting dolomite ore deposit of Hongguosi is the second similar deposit which have been reconnoitred and evaluated in Beijing area .