“平桂”砂锡矿，早在“青铜时代”已被发现、开发利用。
Pinggui Sn placer in Guangxi was discovered and exploited as early as the Bronze Age.
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。
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。
Placer tin deposit in Xupu occurs in alluvial sediment of Quatemary SyStem and CaSSiterite chiefly concentrates at the bottom of Gravel layers.
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