柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

郭荣涛; 张永庶; 陈晓冬; 张庆辉; 王鹏; 崔俊; 姜营海; 李亚峰; 蒋启财; 刘波

doi:10.14027/j.issn.1000-0550.2018.174

ISSN 1000-0550 CN 62-1038/P

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柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

郭荣涛, 张永庶, 陈晓冬, 张庆辉, 王鹏, 崔俊, 姜营海, 李亚峰, 蒋启财, 刘波

文章导航 > 沉积学报 > 2019 > 37(4): 812-824

郭荣涛, 张永庶, 陈晓冬, 张庆辉, 王鹏, 崔俊, 姜营海, 李亚峰, 蒋启财, 刘波. 柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征[J]. 沉积学报, 2019, 37(4): 812-824. doi: 10.14027/j.issn.1000-0550.2018.174

引用本文:

GUO RongTao, ZHANG YongShu, CHEN XiaoDong, ZHANG QingHui, WANG Peng, CUI Jun, JIANG YingHai, LI YaFeng, JIANG QiCai, LIU Bo. High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 812-824. doi: 10.14027/j.issn.1000-0550.2018.174

Citation:

GUO RongTao, ZHANG YongShu, CHEN XiaoDong, ZHANG QingHui, WANG Peng, CUI Jun, JIANG YingHai, LI YaFeng, JIANG QiCai, LIU Bo. High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 812-824. doi: 10.14027/j.issn.1000-0550.2018.174

引用本文:

Citation:

GUO RongTao, ZHANG YongShu, CHEN XiaoDong, ZHANG QingHui, WANG Peng, CUI Jun, JIANG YingHai, LI YaFeng, JIANG QiCai, LIU Bo. High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 812-824. doi: 10.14027/j.issn.1000-0550.2018.174

柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

1.
北京大学地球与空间科学学院/石油与天然气研究中心, 北京 100871;
2.
中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736202

基金项目: 国家自然科学基金项目（41572117）

详细信息

作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者:
刘波,男,研究员,E-mail:bobliu@pku.edu.cn

中图分类号: P618.13

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文章访问数: 353
HTML全文浏览量: 11
PDF下载量: 162
被引次数: 0

High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

1.
School of Earth and Space Science/Oil and Gas Institute, Peking University, Beijing 100871, China;
2.
Research Institute of Petroleum Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang, Gansu 736202, China

Funds: National Natural Science Foundation of China, No. 41572117

摘要

摘要: 受区域性构造运动和古近纪特殊气候的共同影响，在英西地区沉积了一套陆相咸化湖盆混积岩，其特殊的相序组合对研究陆相咸化湖盆高频层序划分及古地理演化具有重要意义。英西地区下干柴沟组上段地层主要为暗色细粒混积岩，矿物成分复杂，主要由陆源碎屑、碳酸盐矿物和蒸发盐矿物组成，可以划分为碎屑岩、碳酸盐岩和蒸发岩三大岩石类型，分别为湖盆演化的淡化阶段、初始咸化阶段和咸化阶段产物。研究区目的层段识别出7个四级层序（Psq1~Psq7），除Psq1和Psq2不发育区域性盐岩层外，其他四级层序都由碎屑岩段、碳酸盐岩段、混积型蒸发岩段和区域性盐岩层组成，这也反映出气候及湖盆性质的逐渐演化。在四级层序约束下，根据盐岩层相对厚度，对英西地区下干柴沟组上段的古地貌特征进行了恢复。Psq1和Psq2发育于湖盆演化的相对早期阶段，咸水湖范围非常有限。Psq3至Psq5沉积期间，湖水咸化程度逐渐增加，咸水湖范围不断扩大，在几个洼陷区沉积了大套厚层盐岩。Psq6沉积期间，经过前几个阶段的填洼补平，研究区地貌总体趋于平坦，高差幅度明显减小。至Psq7沉积期间，研究区西部逐渐退出深洼区，沉积中心开始向东发生迁移。
- 咸化湖盆 /
- 高频层序 /
- 英西地区 /
- 下干柴沟组 /
- 蒸发岩
Abstract: In the Paleogene,a set of mixed sediments in a salinified-lake basin was developed to the west of the Yingxiong Ridge,controlled by regional tectonic movement and the local climate. The rock series have particular sed-imentary facies successions,which are very important in the study of high-frequency sequence division and paleogeo-graphic evolution of the salinified-lake basin. Upper member strata of the Lower Ganchaigou Formation consist of dark,fine-grained mixed sediments with complex mineral composition,mainly composed of terrigenous clasts,car-bonate minerals and evaporite minerals,which respectively correspond to the pre-salinization stage,the initial salini-zation stage and the final salinization stage of the lake water. In the study area,the strata are divided into seven fourth -order sequences (Psq1-Psq7). Except for Psq1 and Psq2,they occur in three parts:clastic rocks,carbonate rocks and evaporite. Theoretically,deepwater salt forms by the stratification of heavy brine as it sinks. As a result,salt rock in deep depression areas is thicker than in low uplift areas. Therefore,taking into consideration the fourth-order se-quence,the paleogeomorphology of the upper member of the Lower Ganchaigou Formation in the Yingxi area was able to be restored in accordance with the relative thicknesses of the salt rock strata. Psq1and Psq2 developed in the early stages of lake evolution,when the area covered by the salt-water lake was very limited. During the development of Psq3 to Psq5,the degree of salinization gradually increased,and the scope of salt-water lake continually expand-ed,with thick evaporite being formed in the depression area. Then,during the deposition of Psq6,the topography of the study area tended to be flatter due to filling and leveling of the previous stages,and the range of height differences was considerably reduced. Finally, during the deposition of Psq7, the western area of the lake in the study area gradu-ally became shallower and the sedimentary center began to migrate eastward.
- salinified-lake basin /
- high-frequency sequence /
- west of Yingxiong ridge /
- Lower Ganchaigou Formation /
- evaporite

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[1]	热依扎·沙依热阿特汗, 姚宗全, 张源智, 郑彬, 张士超, 刘少鹏. 基于米氏旋回理论的高频层序识别与划分—以南八仙油气田下油砂山组为例 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.020
[2]	吴小力, 李荣西, 李小刚, 赵帮胜, 刘福田, 覃小丽, 赵迪, 刘齐, 张艳妮. 青藏高原东北缘宁南盆地晚古近纪气候变化及其驱动机制 . 沉积学报, 2023, 41(1): 206-218. doi: 10.14027/j.issn.1000-0550.2021.082
[3]	王小军, 宋永, 郭旭光, 常秋生, 孔玉华, 郑孟林, 秦志军, 阳孝法. 陆相咸化湖盆细粒沉积岩分类及其石油地质意义 . 沉积学报, 2023, 41(1): 303-317. doi: 10.14027/j.issn.1000-0550.2021.080
[4]	郭佩, 李长志, 文华国, 魏研, 雷海艳. 陆相硅质岩成因类型及构造—气候指示意义 . 沉积学报, 2022, 40(2): 450-464. doi: 10.14027/j.issn.1000-0550.2021.035
[5]	钟逸斯, 王立成, 董浩伟. 蒸发岩沉积特征及环境综述 . 沉积学报, 2022, 40(5): 1188-1214. doi: 10.14027/j.issn.1000-0550.2021.061
[6]	文华国, 霍飞, 郭佩, 甯濛, 梁金同, 钟怡江, 苏中堂, 徐文礼, 刘四兵, 温龙彬, 蒋华川. 白云岩—蒸发岩共生体系研究进展及展望 . 沉积学报, 2021, 39(6): 1321-1343. doi: 10.14027/j.issn.1000-0550.2021.141
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柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

1. 北京大学地球与空间科学学院/石油与天然气研究中心, 北京 100871;

2. 中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736202

基金项目: 国家自然科学基金项目（41572117）

作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者: 刘波,男,研究员,E-mail:bobliu@pku.edu.cn

收稿日期: 2018-07-12
修回日期: 2018-09-24
刊出日期: 2019-08-10

中图分类号: P618.13

关键词:

摘要: 受区域性构造运动和古近纪特殊气候的共同影响，在英西地区沉积了一套陆相咸化湖盆混积岩，其特殊的相序组合对研究陆相咸化湖盆高频层序划分及古地理演化具有重要意义。英西地区下干柴沟组上段地层主要为暗色细粒混积岩，矿物成分复杂，主要由陆源碎屑、碳酸盐矿物和蒸发盐矿物组成，可以划分为碎屑岩、碳酸盐岩和蒸发岩三大岩石类型，分别为湖盆演化的淡化阶段、初始咸化阶段和咸化阶段产物。研究区目的层段识别出7个四级层序（Psq1~Psq7），除Psq1和Psq2不发育区域性盐岩层外，其他四级层序都由碎屑岩段、碳酸盐岩段、混积型蒸发岩段和区域性盐岩层组成，这也反映出气候及湖盆性质的逐渐演化。在四级层序约束下，根据盐岩层相对厚度，对英西地区下干柴沟组上段的古地貌特征进行了恢复。Psq1和Psq2发育于湖盆演化的相对早期阶段，咸水湖范围非常有限。Psq3至Psq5沉积期间，湖水咸化程度逐渐增加，咸水湖范围不断扩大，在几个洼陷区沉积了大套厚层盐岩。Psq6沉积期间，经过前几个阶段的填洼补平，研究区地貌总体趋于平坦，高差幅度明显减小。至Psq7沉积期间，研究区西部逐渐退出深洼区，沉积中心开始向东发生迁移。

English Abstract

High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

1. School of Earth and Space Science/Oil and Gas Institute, Peking University, Beijing 100871, China;

2. Research Institute of Petroleum Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang, Gansu 736202, China

Funds: National Natural Science Foundation of China, No. 41572117

Received Date: 2018-07-12
Rev Recd Date: 2018-09-24
Publish Date: 2019-08-10

Keywords:

Abstract: In the Paleogene,a set of mixed sediments in a salinified-lake basin was developed to the west of the Yingxiong Ridge,controlled by regional tectonic movement and the local climate. The rock series have particular sed-imentary facies successions,which are very important in the study of high-frequency sequence division and paleogeo-graphic evolution of the salinified-lake basin. Upper member strata of the Lower Ganchaigou Formation consist of dark,fine-grained mixed sediments with complex mineral composition,mainly composed of terrigenous clasts,car-bonate minerals and evaporite minerals,which respectively correspond to the pre-salinization stage,the initial salini-zation stage and the final salinization stage of the lake water. In the study area,the strata are divided into seven fourth -order sequences (Psq1-Psq7). Except for Psq1 and Psq2,they occur in three parts:clastic rocks,carbonate rocks and evaporite. Theoretically,deepwater salt forms by the stratification of heavy brine as it sinks. As a result,salt rock in deep depression areas is thicker than in low uplift areas. Therefore,taking into consideration the fourth-order se-quence,the paleogeomorphology of the upper member of the Lower Ganchaigou Formation in the Yingxi area was able to be restored in accordance with the relative thicknesses of the salt rock strata. Psq1and Psq2 developed in the early stages of lake evolution,when the area covered by the salt-water lake was very limited. During the development of Psq3 to Psq5,the degree of salinization gradually increased,and the scope of salt-water lake continually expand-ed,with thick evaporite being formed in the depression area. Then,during the deposition of Psq6,the topography of the study area tended to be flatter due to filling and leveling of the previous stages,and the range of height differences was considerably reduced. Finally, during the deposition of Psq7, the western area of the lake in the study area gradu-ally became shallower and the sedimentary center began to migrate eastward.

引用本文:

Citation:

GUO RongTao, ZHANG YongShu, CHEN XiaoDong, ZHANG QingHui, WANG Peng, CUI Jun, JIANG YingHai, LI YaFeng, JIANG QiCai, LIU Bo. High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 812-824. doi: 10.14027/j.issn.1000-0550.2018.174

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柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者:
刘波,男,研究员,E-mail:bobliu@pku.edu.cn

计量

High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

计量

目录

柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

1. 北京大学地球与空间科学学院/石油与天然气研究中心, 北京 100871;

2. 中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736202

作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者: 刘波,男,研究员,E-mail:bobliu@pku.edu.cn

English Abstract

High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

1. School of Earth and Space Science/Oil and Gas Institute, Peking University, Beijing 100871, China;

2. Research Institute of Petroleum Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang, Gansu 736202, China

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柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

作者简介: 郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者: 刘波,男,研究员,E-mail:bobliu@pku.edu.cn

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High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

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出版历程

目录

柴达木盆地英西地区下干柴沟组上段高频旋回与古地貌特征

doi: 10.14027/j.issn.1000-0550.2018.174

1. 北京大学地球与空间科学学院/石油与天然气研究中心, 北京 100871; 2. 中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736202

作者简介: 郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者: 刘波,男,研究员,E-mail:bobliu@pku.edu.cn

English Abstract

High-frequency Cycles and Paleogeomorphic Features of the Upper Member of the Lower Ganchaigou Formation in the Yingxi Area, Qaidam Basin

1. School of Earth and Space Science/Oil and Gas Institute, Peking University, Beijing 100871, China; 2. Research Institute of Petroleum Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang, Gansu 736202, China

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作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

通讯作者:
刘波,男,研究员,E-mail:bobliu@pku.edu.cn

1. 北京大学地球与空间科学学院/石油与天然气研究中心, 北京 100871;

2. 中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736202

作者简介:
郭荣涛,男,1983年出生,博士后,沉积学、层序地层学及油气地质,E-mail:guorongtao0702@163.com

1. School of Earth and Space Science/Oil and Gas Institute, Peking University, Beijing 100871, China;

2. Research Institute of Petroleum Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang, Gansu 736202, China