可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

刘志飞; 王成善; 金玮

ISSN 1000-0550 CN 62-1038/P

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可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

刘志飞, 王成善, 金玮

文章导航 > 沉积学报 > 2004 > 22(4): 560-565

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

引用本文:

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

LIU Zhi fei, WANG Cheng shan, JIN Wei. Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment[J]. Acta Sedimentologica Sinica, 2004, 22(4): 560-565.

Citation:

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

引用本文:

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

Citation:

可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

1.
同济大学海洋地质教育部重点实验室上海 200092;
2.
中国地质大学地球科学学院北京 100083;
3.
成都理工大学沉积地质研究所成都 610059

基金项目: 国家自然科学基金项目(批准号:40102010、40321603);上海市青年科技启明星计划(批准号03QE14051);教育部优秀青年教师资助计划项目.

详细信息

作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

中图分类号: P512.2

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文章访问数: 625
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被引次数: 0

Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

1.
Laboratory of Marine Geology, Tongji University, Shanghai200092;
2.
School of Earth Sciences, China University of Geosciences, Beijing 100083;
3.
Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu610059

摘要

摘要: 可可西里盆地早渐新世雅西措群砂岩极其发育爬升沙纹层理,形成于沉积物来源供给太快太多而不能随流体一起迁移,从而产生向上的加积。雅西措群砂岩主要包括迎水坡侵蚀的A型和迎水坡沉积的B1型两种,其中,A型沙纹层理单个层系厚一般约为2cm,爬升角小于7°;B1型沙纹层单个层系厚一般为4cm,爬升角介于10^o～20^o之间。这两种爬升沙纹层形成于变速流、非稳定流或变速非稳定流,主要归于砂质碎屑流和底流,平均流速在11～60cm/s之间,堆积速度可以达到0.1g/cm²s,发育于浅湖环境的三角洲前缘沉积。雅西措群爬升沙纹层理发育于青藏高原的早渐新世快速隆升作用和全球变冷变干气候条件下。
- 爬升沙纹层理 /
- 沉积环境 /
- 雅西措群 /
- 可可西里盆地 /
- 青藏高原
Abstract: The climbing ripple cross lamination is especially well developed and widely distributed in the early Oligocene Yaxicuo Group sandstone of the Hoh Xil Basin, northern Tibetan Plateau. The small scale cross lamination is formed from the upward movement of sediment, when the source quickly provides too much new sediment. Two types of climbing ripple cross lamination, i.e. erosional stoss Type A and depositional stoss Type B1, are included in the Yaxicuo Group sandstone. Among that, a single set of Type A is about 2 cm in thickness and less than 7° for its climb angle; but a single set of Type B1 is about 4 cm in thickness and around 10° 20° for its climb angle. Three kinds of flows including non uniform, unsteady, and non uniform unsteady flows, which belong to sandy clastic flow and bottom flow, contributed their formation. The mean fluid velocity is generally 11 60 cm/s and the sediment deposition rate may be up to 0.1 g/cm₂ s. The depositional environment is the delta front in shallow lake. The development of the Yaxicuo Group climbing ripple cross lamination could be under conditions of the early Oligocene uplift process of the Tibetan Plateau and global cooling and drying climate change.
- climbing-ripple cross-lamination /
- depositional environment /
- Yaxicuo Group /
- Hoh Xil Basin /
- Tibetan Plateau

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参考文献(13)

[1]	Liu Z, Wang C. Facies analysis and depositional systems of Cenozoic sediments in the Hoh Xil Basin, northern Tibet. Sedimentary Geology, 2001, 140: 251～270
[2]	刘志飞, 王成善. 可可西里盆地早渐新世雅西措群沉积环境分析及古气候意义. 沉积学报, 2000, 18 (3): 355～361 [Liu Zhifei, Wang Chengshan. Depositional environment and paleoclimatic significance of the early Oligocene Yaxicuo Group in the Hoh Xil Basin. Acta Sedimentologica Sinica, 2000, 18 (3): 355～361]
[3]	Liu Z, Zhao X, Wang C, et al. Magnetostratigraphy of Tertiary sediments from the Hoh Xil Basin: implications for the Cenozoic tectonic history of the Tibetan Plateau. Geophysical Journal International, 2003, 154: 233～252
[4]	Liu Z, Wang C, Trentesaux A, et al. Paleoclimate changes during early Oligocene in the Hoh Xil region, northern Tibetan Plateau. Acta Geologica Sinica, 2003, 77 (4): 504～513
[5]	Allen J R L. A quantitative model of climbing ripples and their cross-laminated deposits. Sedimentology, 1970, 14: 5～26
[6]	Harms J C, Southard J B, Walker R G. Structures and sequences in clastic rocks: Lecture notes for short course No. 9. Boulder: The United States of America and The Society of Economic Paleonotologists and Mineralogists, 1982, 3-1～3-27
[7]	Rubin D M, Hunter R E. Bedform climbing in theory and nature. Sedimentology, 1982, 29: 121～138
[8]	Collinson J D, Thompson D B. Sedimentary structures. London Boston Sydney: George Allen & Unwin, 1982, 59～71
[9]	Jopling A V, Walker R G. Morphology and origin of ripple-drift cross-lamination with examples from the Pleistocene on Massachusetts. Journal of Sedimentary Petrology, 1968, 38: 971～984
[10]	Ashley G M, Southard J B, Boothroyd J C. Deposition of climbing-ripple beds: a flume simulation. Sedimentology, 1982, 29: 67～79
[11]	Davis Jr R A. Depositional systems: an introduction to sedimentology and stratigraphy. Englewood Cliffs, New Jersey: Prentic-Hall, 1992, 65～69
[12]	Liu Z, Wang C, Yi H. Evolution and mass-balance in the Cenozoic Hoh Xil basin, northern Tibet. Journal of Sedimentary Research, 2001, 71: 971～984
[13]	刘志飞, 王成善, 伊海生, 等. 青藏高原北部可可西里盆地早新生代沉降史及其高原隆升意义. 见: 陈毓川(主编), 中国地质学会80周年学术文集. 北京: 地质出版社, 2002, 111～119 [Liu Zhifei, Wang Chengshan, Yi Haisheng, et al. Early Cenozoic subsidence history of the Hoh Xil Basin in the northern Qinghai-Xizang Plateau. In: Cheng Yuchuan,ed. Proceedings of 80th Anniversary of the Geological Society of China. Beijing: Geological Publishing House, 2002]

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文章访问数: 625
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可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

1. 同济大学海洋地质教育部重点实验室上海 200092;

2. 中国地质大学地球科学学院北京 100083;

3. 成都理工大学沉积地质研究所成都 610059

基金项目: 国家自然科学基金项目(批准号:40102010、40321603);上海市青年科技启明星计划(批准号03QE14051);教育部优秀青年教师资助计划项目.

作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

收稿日期: 2003-11-20
修回日期: 2004-03-28
刊出日期: 2004-12-10

中图分类号: P512.2

关键词:

摘要: 可可西里盆地早渐新世雅西措群砂岩极其发育爬升沙纹层理,形成于沉积物来源供给太快太多而不能随流体一起迁移,从而产生向上的加积。雅西措群砂岩主要包括迎水坡侵蚀的A型和迎水坡沉积的B1型两种,其中,A型沙纹层理单个层系厚一般约为2cm,爬升角小于7°;B1型沙纹层单个层系厚一般为4cm,爬升角介于10^o～20^o之间。这两种爬升沙纹层形成于变速流、非稳定流或变速非稳定流,主要归于砂质碎屑流和底流,平均流速在11～60cm/s之间,堆积速度可以达到0.1g/cm²s,发育于浅湖环境的三角洲前缘沉积。雅西措群爬升沙纹层理发育于青藏高原的早渐新世快速隆升作用和全球变冷变干气候条件下。

English Abstract

Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

1. Laboratory of Marine Geology, Tongji University, Shanghai200092;

2. School of Earth Sciences, China University of Geosciences, Beijing 100083;

3. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu610059

Received Date: 2003-11-20
Rev Recd Date: 2004-03-28
Publish Date: 2004-12-10

Keywords:

Abstract: The climbing ripple cross lamination is especially well developed and widely distributed in the early Oligocene Yaxicuo Group sandstone of the Hoh Xil Basin, northern Tibetan Plateau. The small scale cross lamination is formed from the upward movement of sediment, when the source quickly provides too much new sediment. Two types of climbing ripple cross lamination, i.e. erosional stoss Type A and depositional stoss Type B1, are included in the Yaxicuo Group sandstone. Among that, a single set of Type A is about 2 cm in thickness and less than 7° for its climb angle; but a single set of Type B1 is about 4 cm in thickness and around 10° 20° for its climb angle. Three kinds of flows including non uniform, unsteady, and non uniform unsteady flows, which belong to sandy clastic flow and bottom flow, contributed their formation. The mean fluid velocity is generally 11 60 cm/s and the sediment deposition rate may be up to 0.1 g/cm₂ s. The depositional environment is the delta front in shallow lake. The development of the Yaxicuo Group climbing ripple cross lamination could be under conditions of the early Oligocene uplift process of the Tibetan Plateau and global cooling and drying climate change.

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

引用本文:

刘志飞, 王成善, 金玮. 可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义[J]. 沉积学报, 2004, 22(4): 560-565.

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可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

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Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

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可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

1. 同济大学海洋地质教育部重点实验室上海 200092;

2. 中国地质大学地球科学学院北京 100083;

3. 成都理工大学沉积地质研究所成都 610059

作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

English Abstract

Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

1. Laboratory of Marine Geology, Tongji University, Shanghai200092;

2. School of Earth Sciences, China University of Geosciences, Beijing 100083;

3. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu610059

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[1]	李忠. “从最高到最深”—从第17届国际沉积学大会看沉积学研究前沿 . 沉积学报, 2006, (6): 928-933.
[2]	李忠. “从最高到最深”—从第17届国际沉积学大会看沉积学研究前沿 . 沉积学报, 2006, 24(06): 928-933.

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可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

作者简介: 刘志飞 男 1969年出生 教授 沉积学 青藏高原地质 海洋地质

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Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

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出版历程

目录

可可西里盆地早渐新世雅西措群爬升沙纹层理及其沉积环境意义

1. 同济大学海洋地质教育部重点实验室 上海 200092; 2. 中国地质大学地球科学学院 北京 100083; 3. 成都理工大学沉积地质研究所 成都 610059

作者简介: 刘志飞 男 1969年出生 教授 沉积学 青藏高原地质 海洋地质

English Abstract

Climbing-Ripple Cross-Lamination of the Early Oligocene Yaxicuo Group in the Hoh Xil Basin and Its Significance for Depositional Environment

1. Laboratory of Marine Geology, Tongji University, Shanghai200092; 2. School of Earth Sciences, China University of Geosciences, Beijing 100083; 3. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu610059

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期刊在线

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作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

1. 同济大学海洋地质教育部重点实验室上海 200092;

2. 中国地质大学地球科学学院北京 100083;

3. 成都理工大学沉积地质研究所成都 610059

作者简介:
刘志飞男 1969年出生教授沉积学青藏高原地质海洋地质

1. Laboratory of Marine Geology, Tongji University, Shanghai200092;

2. School of Earth Sciences, China University of Geosciences, Beijing 100083;

3. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu610059