中国东北寒区的风化壳与砂金矿床_stmopen 关键词】: 砂金矿床 风化壳 冻土区 活化 迁移 [gap=869]Keywords】: placer gold deposit,crust of weathering,coldregion,activation,migration
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The source materials of the placer gold deposit in the area are from skarn — typed Au — Ag — Cu — Fe polymetallic ore.
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。
At last, exploring guides for placer gold deposit are pointed out on the base of study of gold source, placer gold distributive features and enrichment law.
结合金的来源、矿床的分布特征和富集规律，指出了该区今后砂金找矿方向。
Then, dispersal gold placer within the intermediate store body was enriched in gravel bed of detention in river bed after many times intermittent elevation, and the gold placer deposit was formed.
当地壳多次间歇性上升后，使砂金中间储存体中分散的砂金集中富集在河床滞留砾石层中，从而形成砂金矿床。
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