The gold-silver ore-forming belt in Laowan is one of the gold-silver ore belts of metamorphic clastic rocks.
老湾金成矿带是变质碎屑岩型金银成矿带之一，在该带发现过上上河和老湾大型金矿床。
The site also features routes used to transport silver ore to the coast, and port towns from where it was shipped to Korea and China.
这一带还有用来将银矿石运输至海岸的运输路线，以及通往韩国和中国的港口城镇。
The traditional gold and silver leaching method from the low grade iron-manganese gold silver ore didn't work out because gold and silver were encapsulated by iron, manganese and other minerals.
低品位铁锰型金银矿由于金银被铁锰等矿物包裹，传统浸金银的方法无法达到目的。
Prospecting cases of Ag deposits are cited and analysed, showing that integration of geophysical exploration methods is potential for silver ore searching and more methods need to be developed.
引述和分析了银矿物探取得显著效果的若干实例，说明合理的综合找矿方法在银矿找矿中的巨大潜力有待发挥。
Prospecting cases of Ag deposits are cited and analysed, showing that integration of geophysical exploration methods is potential for silver ore searching and more methods need to be developed.
引述和分析了银矿物探取得显著效果的若干实例，说明合理的综合找矿方法在银矿找矿中的巨大潜力有待发挥。
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