The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.

沙丘砂由分选、磨圆好的石英砂组成，含量大于95%，具单众数粒度分布，无悬移质。

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The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.

沙丘砂由分选、磨圆好的石英砂组成，含量大于95%，具单众数粒度分布，无悬移质。

youdao