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.
东濮凹陷西洼南段老第三系属地堑型湖盆沉积，主要发育河流相、三角洲相、冲积扇相、扇三角洲相以及湖泊相。
The Palaeogene system in the southern west sag of the Dongpu depression consists of rift lacustrine deposits, and is developed with fluvial, delta, alluvial, fan delta and lacustrine facies.
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