济阳坳陷沙河街组锶硫同位素特征

济阳坳陷沙河街组锶硫同位素特征

袁波¹，陈世悦¹，袁文芳²，朱建伟³

1.中国石油大学地球资源与信息学院，山东东营 257061;2.中国石油塔里木油田公司勘探开发研究院，新疆库尔勒 841000;3.吉林大学地球科学学院，长春 130061

收稿日期:2007-09-17 修回日期:1900-01-01 出版日期:2008-07-26 发布日期:2008-07-26
通讯作者: 袁波

Characteristics of Strontium and Sulfur Isotopes in Shahejie Formation of Jiyang Depression

YUAN Bo¹, CHEN Shi-yue¹, YUAN Wen-fang², ZHU Jian-wei³

1. Faculty of Geo-Resources and Information, China University of Petroleum, Dongying, Shandong 257061, China;2. Institute of Exploration and Development, PetroChina Tarim Oilfield Company, Kuerle, Xinjiang 841000, China; 3. College of Earth Sciences, Jilin University, Changchun 130061, China

Received:2007-09-17 Revised:1900-01-01 Online:2008-07-26 Published:2008-07-26
Contact: YUAN Bo

摘要/Abstract

摘要： 通过对研究区锶硫同位素特征分析，探讨济阳坳陷古近纪是否遭受过海侵作用。结果表明：沙四上亚段和沙三下亚段⁸⁷Sr/⁸⁶Sr值为0.707 6～0.709 9，属于同时期海相锶同位素范围;沙四上亚段δ³⁴S为15‰～24‰，也属于同期海相硫同位素范围。结合前人研究成果，认为济阳坳陷沙四上亚段和沙三下亚段沉积时段曾不同程度受到海侵作用的影响。

关键词: 济阳坳陷, 沙河街组, 锶同位素, 硫同位素, 海侵作用

Abstract: By characteristic analysis of strontium and sulfur isotopes in the studied area, it was discussed whether the transgression has happened in Paleogene in the Jiyang depression. The results show that the content ratio of ⁸⁷Sr/⁸⁶Sr ranges from 0.707 6 to 0.709 9 in the upper fourth sub-member and the lower third sub-member of the Shahejie Formation, and the content ratio of δ³⁴S ranges from 15‰ to 24‰ in the upper fourth sub-member. All of these isotopic ratios are within the range of the marine isotopes. Referring to other previous research, it is concluded that the transgressions have happened in the upper fourth sub-member and the lower third sub-member of the Shahejie Formation.

Key words: Jiyang depression, Shahejie Formation, strontium isotope, sulfur isotope, transgression

中图分类号:

P597

袁波，陈世悦，袁文芳，朱建伟. 济阳坳陷沙河街组锶硫同位素特征[J]. J4, 2008, 38(4): 613-0617.

YUAN Bo, CHEN Shi-yue, YUAN Wen-fang, ZHU Jian-wei. Characteristics of Strontium and Sulfur Isotopes in Shahejie Formation of Jiyang Depression[J]. J4, 2008, 38(4): 613-0617.

参考文献

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