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首页> 外文期刊>Marine and Petroleum Geology >Palynofacies, micropalaeontology, and source rock evaluation of non-marine Jurassic-Cretaceous boundary deposits from northern Germany - Implications for palaeoenvironment and hydrocarbon potential
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Palynofacies, micropalaeontology, and source rock evaluation of non-marine Jurassic-Cretaceous boundary deposits from northern Germany - Implications for palaeoenvironment and hydrocarbon potential

机译：来自德国北部非海洋侏罗纪 - 白垩纪边界沉积物的野生缺失，微淘拓和源岩体评估 - 对古环境和碳氢化合物潜力的影响

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摘要

The Jurassic-Cretaceous boundary interval of northern Germany is characterised by non-marine deposits attributed to the Purbeck and Wealden fades. These organic-rich sediments were deposited under restricted, brackish-lacustrine conditions in a palaeogeographically isolated basin (Lower Saxony Basin). Rock-Eval and delta C-13(org) measurements were performed to characterise the composition and distribution of the organic matter, to determine the kerogen type chemically, and to define the quantity and maturity of the organic matter. A strong correlation between the optical characteristics, documented by the palynofacies analysis, and the chemical kerogen analyses have led to a better understanding of the palaeoenvironment and the processes which caused the organic matter enrichment.
机译：德国北部的侏罗纪 - 白垩纪边界间隔的特点是非海洋沉积物，归因于普贝克和Weaolden淡化。 将这些有机肥胖的沉积物沉积在古地区分离的盆地（下萨克森盆地下萨克森河盆地）的限制下沉积在受限制的咸叶 - 湖泊条件下。 进行Rock-epg和Delta C-13（ORG）测量以表征有机物质的组成和分布，以化学确定基因型，并限定有机物质的数量和成熟度。 由野生植物分析记录的光学特性与化学基因分析的强烈相关性导致了更好地了解古环境和导致有机物质富集的过程。

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