莺歌海盆地坡折带特征及其对沉积体系的控制

谢玉洪; 王振峰; 解习农; 任建业; 姜涛

Volume 29 Issue 5

Sep. 2004

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Article Navigation > Earth Science > 2004 > 29(5): 569-574

XIE Yu-hong, WANG Zhen-feng, JIE Xi-nong, REN Jian-ye, JIANG Tao, 2004. Patterns of Slope-Break Zone and Their Depositional Models in the Yinggehai Basin. Earth Science, 29(5): 569-574.

Citation:

XIE Yu-hong, WANG Zhen-feng, JIE Xi-nong, REN Jian-ye, JIANG Tao, 2004. Patterns of Slope-Break Zone and Their Depositional Models in the Yinggehai Basin. Earth Science, 29(5): 569-574.

XIE Yu-hong, WANG Zhen-feng, JIE Xi-nong, REN Jian-ye, JIANG Tao, 2004. Patterns of Slope-Break Zone and Their Depositional Models in the Yinggehai Basin. Earth Science, 29(5): 569-574.

Citation:

XIE Yu-hong, WANG Zhen-feng, JIE Xi-nong, REN Jian-ye, JIANG Tao, 2004. Patterns of Slope-Break Zone and Their Depositional Models in the Yinggehai Basin. Earth Science, 29(5): 569-574.

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Patterns of Slope-Break Zone and Their Depositional Models in the Yinggehai Basin

1.
Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China
2.
Zhanjiang Filiale, CNOOC China Ltd., Zhanjiang 524057, China

Received Date: 2004-06-12
Publish Date: 2004-09-25

Abstract

Abstract

The slope-break is thought to be an important criterion to distinguish the patterns of sequences. In the Yinggehai basin, the slope-break can be classified into two types: structural and sedimentary slope-break zones, which can be divided further into four patterns, that are bend slope-break, fault slope-break(growing fault), sedimentary slope-break(shelf/slope-break)and gentle slope types. Different patterns of sequences control different distributions of lowstand sandstones. The bend slope-break, fault slope-break and sedimentary slope-break restrict the distribution of slope fans and basin floor fans in the third-order sequences, and the gentle slope-break limits the distribution of lowstand deltas which were formed in the course of restricted sea-level decrease. The results of tectonic researches show that the marginal faults, such as the No.1 fault and the Yingdong fault, still are active during the post-rifting stage, which controlled the formation of slope-break in this basin.
- pattern of slope-break,
- depositional model,
- Yinggehai basin

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References(17)

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