矿床赋存于全新统冲积层。
而全新统泥炭层与古遗址的分布、堆积等特点，则从不同的侧面证明本区曾经海侵。
Holocene peat layer and ancient ruins are characteristics of dispersed and accumulated, out of dissimilar side have proved Was undergo transgression in the Tai-hu Lake plain.
前言：浙江萧山—余杭地区全新统下部粉细砂、淤泥质粘土层有机质丰富，是重要的“生气层系”，所夹的贝壳层和砂层是主要的“储气层”。
The Lower Holocene in the Xiaoshan-Yuhang area, Zhejiang, is composed of fine sand, silt and clay beds. They are rich in organic matter and constitute an important "gas source formation".
前言：浙江萧山—余杭地区全新统下部粉细砂、淤泥质粘土层有机质丰富，是重要的“生气层系”，所夹的贝壳层和砂层是主要的“储气层”。
The Lower Holocene in the Xiaoshan-Yuhang area, Zhejiang, is composed of fine sand, silt and clay beds. They are rich in organic matter and constitute an important "gas source formation".
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