新疆温泉县哈日陶勒哈一带东图津河组物源及沉积环境分析Analysis of Provenance and Depositional Environment of Dongtujinhe Formation in Haritaoleha Area,Wenquan County,Xinjiang
杜小亮,孟令华,吴树明,崔庆岗,刘乾
摘要(Abstract):
西天山温泉地区广泛发育泥盆纪—石炭纪火山沉积地层,新疆温泉县阿依尔朔克一带东图津河组以灰岩、钙质长石岩屑砂岩、砾岩为特征,沉积岩石的碎屑物主要来源于未切割的火山岛弧,部分来源于岛弧过渡带。通过野外详细的剖面测制、沉积环境的分析,结合室内岩矿鉴定对东图津河组的沉积环境及其物源特点进行了综合分析,研究结果表明,上石炭统东图津河组为滨浅海相,东图津河组沉积初期,水体较深,水动力弱,沉积环境为静态的浅海环境,随着海水变浅,水动力加强,沉积环境变为动荡的滨浅海环境。
关键词(KeyWords): 滨浅海相沉积;西天山;物源;岛弧;沉积环境;东图津河组
基金项目(Foundation): 中央返还新疆两权价款项目“新疆温泉县牙马特一带1∶5万区域地质调查”(T15-1-LQ17)
作者(Author): 杜小亮,孟令华,吴树明,崔庆岗,刘乾
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