准噶尔大型坳陷湖盆坡折带的类型和分布特征

王英民; 刘豪; 李立诚; 齐雪峰; 王媛

Volume 27 Issue 6

Jun. 2002

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Article Navigation > Earth Science > 2002 > 27(6): 683-688

WANG Ying-min, LIU Hao, LI Li-cheng, QI Xue-feng, WANG Yuan, 2002. Types and Distribution Characteristics of Slope Breaks of Large-Type Down-Warped Lake Basins. Earth Science, 27(6): 683-688.

Citation:

WANG Ying-min, LIU Hao, LI Li-cheng, QI Xue-feng, WANG Yuan, 2002. Types and Distribution Characteristics of Slope Breaks of Large-Type Down-Warped Lake Basins. Earth Science, 27(6): 683-688.

WANG Ying-min, LIU Hao, LI Li-cheng, QI Xue-feng, WANG Yuan, 2002. Types and Distribution Characteristics of Slope Breaks of Large-Type Down-Warped Lake Basins. Earth Science, 27(6): 683-688.

Citation:

WANG Ying-min, LIU Hao, LI Li-cheng, QI Xue-feng, WANG Yuan, 2002. Types and Distribution Characteristics of Slope Breaks of Large-Type Down-Warped Lake Basins. Earth Science, 27(6): 683-688.

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Types and Distribution Characteristics of Slope Breaks of Large-Type Down-Warped Lake Basins

1.
Key Laboratory for Hydrocarbon Accumulation, Ministry of Education, Beijing 102249, China
2.
Basin & Oil Research Center, University of Petroleum, Beijing 102249, China
3.
Xinjiang Petroleum Company, Urumchi 834000, China
4.
Exploration and Exploitation Institute of Xinjiang Petroleum Company, Urumchi 834000, China

Received Date: 2002-05-14
Publish Date: 2002-11-25

Abstract

Abstract

Slope breaks are developed in both marine and rift lake basins, and their controlling impact on sequence and deposition has already been widely concerned and accepted. However the study in Jurassic Junggar basin shows that slope breaks are also developed in large down-warped lake basins. Their genetic types can be divided into structural slope break, sedimentary slope break and erodent slope break. These breaks are distributed widely, showing mutual grades characteristics. On the profiles, they have forward direction grade combination, downward direction grade combination, ditch-valley combination, mountain combination and ditch-mountain combination. On the planes, they display pectination combination, broom combination, oblique combination, trumpet combination and parallel combination. A set of slope breaks developed in the specific structural settings with genetic correlations and similar combination characteristics consist of a structural slope break domain. The Jurassic lake basin, Junggar, was distinguished into 6 structural slope-break domains. It is evident that slope breaks have an important control on sequence, deposition and the development of tectonic traps and different water systems and different depositional characteristics are formed in different structural slope-break domains.
- slope break,
- structural slope-break domain,
- down-warped lake basin,
- Junggar basin,
- Jurassic

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References(4)

References

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