Roseville is located inPlacer County and is nearly equidistant from the Sierra Nevadas and the Pacific Coast.
罗斯维尔位于普莱瑟郡,距离塞拉利昂内华达州和太平洋海岸几乎相同。
2
Placer tin deposit in xupu occurs in alluvial sediment of quatemary system and cassiterite chiefly concentrates at the bottom of gravel layers.
溆浦砂锡矿床赋存在第四系冲积层中锡石主要富集在底部砂砾石层。
3
This area , where have abundant gold mineralised material and favourable geological settings , is a prospecting target area for gold placerin Southern Liaoning .