塔里木盆地东河砂岩段中的生物扰动作用

新疆石油地质 ›› 2010, Vol. 31 ›› Issue (5): 493-495.

塔里木盆地东河砂岩段中的生物扰动作用

杨伟芳^1,2, 王波^{3, 4}, 张惠良³

1.中国科学院广州地球化学研究所,广州 510640;
2.中国科学院研究生院,北京 100039;
3.中国石油杭州地质研究院,杭州 310023;
4.中国石油勘探开发研究院,北京 100083

收稿日期:2010-03-30 修回日期:2010-05-20 发布日期:2020-10-21
作者简介:杨伟芳(1984-),女,江西临川人,在读硕士研究生,石油地质,(Tel)15257102192(E-mail)yangweifang06@mails.gucas.ac.cn.

Bioturbation of Donghe Sandstone Member in Tarim Basin

YANG Wei-fang^1,2, WANG Bo^3,4, ZHANG Hui-liang³

1. Guangzhou Institute of Geochemistry, CAS, Guangzhou, Guangdong 510640, China;
2. Graduate School, CAS, Beijing 100039, China;
3. Hangzhou Institute of Petroleum Geology, PetroChina, Hangzhou, Zhejiang 310023, China;
4. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China

Received:2010-03-30 Revised:2010-05-20 Published:2020-10-21

摘要/Abstract

摘要： 生物扰动作用对沉积过程的影响比较复杂,一般认为生物扰动作用发生在表层细粒泥质沉积物中,如深海海底、河口湾、潮滩等环境下。塔里木盆地东河砂岩段为高能碎屑滨岸沉积,其中含大量的遗迹化石,也发育大量的生物扰动构造,说明高能环境下存在生物扰动的事实。生物扰动强度也是进一步识别各沉积微相的依据,隐性生物扰动作用甚至可以保留原始沉积构造。

关键词: 塔里木盆地, 东河砂岩段, 生物扰动作用, 滨岸环境, 沉积微相

Abstract: The effect of bioturbation to deposition process is complex. It is generally recognized that bioturbation exists in surface granular mud sediments, such as the deep sea beds, estuary bays, tidal flats and other conditions. Donghe sandstone member in Tarim basin was deposited in high-energy shore clastic sedimentary environment. The numerous trace fossils and a large number of bioturbation structures may state the fact that there exists bioturbation in high-energy environment. The intensity of bioturbation has further become the evidence of identifying the sedimentary microfacies and the crypto-bioturbation can always reflect the original sedimentary structure.

Key words: Tarim basin, Donghe sandstone member, bioturbation, coastal environment, sedimentary microfacies

中图分类号:

TE112.221

杨伟芳, 王波, 张惠良. 塔里木盆地东河砂岩段中的生物扰动作用[J]. 新疆石油地质, 2010, 31(5): 493-495.

YANG Wei-fang, WANG Bo, ZHANG Hui-liang. Bioturbation of Donghe Sandstone Member in Tarim Basin[J]. Xinjiang Petroleum Geology, 2010, 31(5): 493-495.

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