东海陆架盆地台北坳陷月桂峰组生物地层及古环境
Marine Geology & Quaternary Geology(2004)
Abstract
月桂峰组分布于台北坳陷西带,上覆灵峰组、下伏石门潭组,由灰黑色泥岩、砂岩组成.在微体古生物和地球化学微量元素详细分析的基础上,确立它属古近纪古新世沉积,推测可能为古新世早期,该地层相当于苏北盆地阜宁组一段.月桂峰组所含孢粉、藻类化石组合及地球化学微量元素特征表明月桂峰组当时的沉积环境以淡水湖相为主,局部时期(晚期)可能演变成海陆交互相,或者受到海水的影响.
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Key words
east china sea,yueguifeng formation,continental shelf basin,taipei depression,paleoenvironment
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