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”。

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The previous research data are used to analyze material source, formation mechanism and characteristics in mineral deposit of the gold mine of diabase in the west of Guangxi, southern China.

根据已有的研究资料，分析桂西辉绿岩型金矿的物质来源、形成机制及矿床特征。

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