天津地区黄骅坳陷全新世沉积环境及其变化特征DEPOSITIONAL ENVIRONMENT OF THE HOLOCENE IN THE HUANGHUA DEPRESSION OF TIANJIN AREA
李利波,翟子梅,周志勇,田树信
摘要(Abstract)：
在岩芯观察的基础上,通过对钻井沉积环境的分析,结合其岩性剖面和沉积构造等资料,详细分析了天津地区黄骅坳陷全新世的沉积环境特征、类型及其展布;认为该区主要有冲积、湖沼沉积、河口湾沉积、滨浅海沉积等4种主要沉积环境。全新世为一套松散堆积层,其岩性组合和生物化石组合特征及其变化,反映了天津地区黄骅坳陷全新世以来沉积环境由滨海—近岸浅海至河口湾、潟湖、滨海平原再至冲积平原的演变。
关键词(KeyWords)： 沉积环境;环境变化;全新世;第四纪;黄骅坳陷;天津
基金项目(Foundation): “天津市城市地质调查”项目成果
作者(Author): 李利波,翟子梅,周志勇,田树信
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