A typical ancient volcanic apparatus of Kongxinshan was found i n the Shuanjingzi area. It belongs to the early Carboniferous,showing features of peculiar geomorphology,welldeveloped ring fractures and radial dykes. It is composed of eruptive facies, spurt facies,volcanic neck facies and intrusive fa cies,reflecting a simple volcanic activity of eruptionspurtinvasion.
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彭湘萍,白云山.1999.新疆哈密双井子地区空心山火山机构特征及成因机制[J].地质论评,45(7):1105-1110,[DOI]. Peng Xiangping, Bai Yunshan.1999. Characteristics and Genesis of Kongxinshan Volcanic Apparatus in Shuangjingzi Area, Hami, Xinjiang[J]. Geological Review,45(7):1105-1110.