placer claim
placer claim 〈美〉砂矿开采权 在公有土地开采砂矿的采矿权。砂矿中的有价值矿藏并不固定在岩石中，而是包含在一定范围土地的泥土、沙粒或砂砾中。
placer claim
placer claim
A mining claim that is not a lode claim; a claim where the minerals are not located in veins or lodes within rock, but are usu. in softer ground near the earth’s surface. [Cases: Mines and Minerals 16, 28. C.J.S. Mines and Minerals §§ 13, 38–40, 65.]