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CHARACTERISTICS OF TRACE ELEMENTS IN PALEOGENE OSTRACOD SHELLS FROS THE DONGYING BASIN AND THEIR SIGNIFICANCE
Author(s): 
Pages: 156-162
Year: Issue:  2
Journal: ACTA MICROPALAEONTOLOGICA SINICA

Keyword:  介形虫微量元素早第三纪东营盆地山东;
Abstract: 通过对山东东营盆地早第三纪生油层中介形虫化石壳体进行微量元素分析,得出在沙河街组一段中、下亚段沉积时期,湖水较浅、盐度高,气候干燥,古湖泊营养水平低;上亚段沉积时期,湖水变深、变淡,气候凉湿,湖水营养化程度增高。这些结论与沉积学、古生物学和稳定同位素研究的结果是一致的,表明介形虫壳体微量元素化学分析对于早第三纪生油层沉积环境的再造能发挥重要的作用。
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