砂矿床是指含矿的岩石或矿床在地表受风化、侵蚀、分离出在地表条件下稳定的重矿物堆积而成的矿床称砂矿床。有关的矿产如金、铬、锡、钨、钛、铌、钽、稀土及金刚石、宝石等。
该区拥有世界最大、质量最好的石英砂矿床。
The district comprises unique largest and best quality quartz sand deposits.
辽宁岫岩软玉砂矿(又称河磨玉矿)是原生软玉矿的次生砂矿床。
Liaoning Xiuyan nephrite Placer deposit (XNPD) is a secondary deposit of primary nephrite ore.
瑶岭钨矿带钨矿成因类型有石英脉（带）型、云英岩型、蚀变花岗岩型和砂矿床。
Tungsten mineralization types in Yaoling zone are divided into quartz vein, greisen, altered granite and placer.
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