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研究了西伯利亚、东欧及阿拉伯板块的上元古界原油的物理-化学性质及烃类组分。现已查明,前寒武纪原油除了具有显生宙原油的许多特点外,还具有一些特殊的特性。所研究的前寒武纪原油富含~(12)C轻质同位素。主要含脂肪族成分,其中正构烷烃占主导地位。根据西伯利亚地台原油中所含的烃类生物标志化合物的成分,将其划分为4组,其中2组在东欧地台和阿拉伯地台也是相似的。这些原油的差异与前寒武纪海洋中局部生态凹地中最古老的原核生物脂类和最简单的真核生物脂类的特殊生物化学有关。
The physico-chemical properties and hydrocarbon components of the Proterozoic crude oil from Siberia, Eastern Europe and the Arabian Plate were studied. It has been ascertained that Precambrian crude oil has some special characteristics in addition to many features of the Phanerozoic crude oil. The Precambrian crude oil studied is rich in ~ (12) C light isotopes. Mainly containing aliphatic components, n-alkanes which dominate. Based on the composition of the hydrocarbon biomarker compounds contained in crude oil from the Siberia platform, it is divided into four groups, two of which are also similar on the Eastern European platform and the Arabian platform. The differences in these crude oils are related to the specific biochemicals of the oldest prokaryotic lipids and the simplest eukaryotic lipids in the local ecotones of the Precambrian ocean.