Sediment facies reveal the sediment environment of the interest interval, the origin and distribution rule of the reservoir.
沉积相揭示了目的层段的沉积环境、储集岩成因及其分布规律。
The grain size analyses confirm that the Xiashu Loess in Zhenjiang is also the atmospheric dust sediment and it is of eolian origin just like the northern loess in China.
粒度分析证实，镇江下蜀黄土与北方黄土一样同是大气粉尘堆积物。
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