柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

冯乔; 秦宇; 付锁堂; 柳益群; 周鼎武; 马达德; 王立群; 任军虎; 王晨瑜

doi:10.14027/j.cnki.cjxb.2015.03.007

ISSN 1000-0550 CN 62-1038/P

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柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

冯乔, 秦宇, 付锁堂, 柳益群, 周鼎武, 马达德, 王立群, 任军虎, 王晨瑜

文章导航 > 沉积学报 > 2015 > 33(3): 486-499

冯乔, 秦宇, 付锁堂, 柳益群, 周鼎武, 马达德, 王立群, 任军虎, 王晨瑜. 柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义[J]. 沉积学报, 2015, 33(3): 486-499. doi: 10.14027/j.cnki.cjxb.2015.03.007

引用本文:

FENG Qiao, QIN Yu, FU SuoTang, LIU YiQun, ZHOU DingWu, MA DaDe, WANG LiQun, REN JunHu, WANG ChenYu. U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin[J]. Acta Sedimentologica Sinica, 2015, 33(3): 486-499. doi: 10.14027/j.cnki.cjxb.2015.03.007

Citation:

FENG Qiao, QIN Yu, FU SuoTang, LIU YiQun, ZHOU DingWu, MA DaDe, WANG LiQun, REN JunHu, WANG ChenYu. U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin[J]. Acta Sedimentologica Sinica, 2015, 33(3): 486-499. doi: 10.14027/j.cnki.cjxb.2015.03.007

引用本文:

Citation:

FENG Qiao, QIN Yu, FU SuoTang, LIU YiQun, ZHOU DingWu, MA DaDe, WANG LiQun, REN JunHu, WANG ChenYu. U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin[J]. Acta Sedimentologica Sinica, 2015, 33(3): 486-499. doi: 10.14027/j.cnki.cjxb.2015.03.007

柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

1.
山东科技大学地球科学与工程学院山东青岛 266590;
2.
大陆动力学国家重点实验室西北大学地质系西安 710069;
3.
中国石油青海油田分公司甘肃敦煌 736202

基金项目: 国家科技重大专项课题(编号:2011ZX05003-006)资助;天津地质矿产研究所.中华人民共和国区域地质调查报告.鱼卡沟幅、西泉幅(1:50000),2003.

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中图分类号: P597⁺.3

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U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

1.
College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590;
2.
Geology Department/State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069;
3.
Qinghai Oilfield Branch PetroChina, Dunhuang, Dunhuang, Gansu 736202

摘要

摘要: 应用LA-ICP-MS单颗粒锆石U-Pb定年方法, 对柴达木盆地北缘乌兰县上泥盆统牦牛山组两组砂岩样品开展了碎屑锆石U-Pb年代学研究。测年结果显示年龄值分布较宽, 可以划分为5个峰值年龄区间。在这些碎屑锆石中, 最小的年龄为407.9 Ma, 属于岩浆成因, 限定了该套地层的沉积下限, 为不早于早泥盆世末期, 结合区域地质与古生物资料, 该套地层为晚泥盆世。碎屑锆石的年龄分布表明本区可能存在五期区域性地质构造事件, 其中早古生代最为突出, 其次为新元古代和古元古代早期—新太古代晚期, 暗示这三期岩浆活动和变质作用较为活跃, 并为本套地层提供了主要的锆石来源, 具有多时代混合物源特征。样品中少量太古代碎屑锆石的谐和度较好, 为研究区附近可能存在太古宙古老地层提供了一定证据, 但仍需进一步研究。
- 碎屑锆石 /
- U-Pb定年 /
- 构造件事 /
- 晚泥盆世 /
- 牦牛山组 /
- 柴达木盆地北缘
Abstract: This paper studied the age distribution of detrital zircons of sandstone in Maoniushan Formation of Upper Devoion of Wulan country from northern margin of Qaidam Basin using LA-ICP-MS U-Pb isotopic age of zircons. The results show that the detrital zircons of sandstone has a wide range of zircon age, which can be divided into 5 peak interval. This sequence of the strata possibly was deposited in the Late Devonian and not earlier than the end of Early Devonian according to the regional geological correlation and paleontological data. The age distribution of detrital zircons indicate that there may be events of five regional geological structure in this area, and the most prominent is the Early Paleozoic, followed by Neoproterozoic and Early Paleoproterozoic-Late New Archean, which imply that the three periods of metamorphism and magmatic activity is relatively active and provide the main source of zircon for this strata with a mixture of multi-source characteristics. The obtained age data indicate the multi-provenance of the sandstone. In addition, there are less Archean detrital zircon having a high degree of harmony, which has provided some basis for the possible existence of Archean old strata, but needs further research.
- detrital zircons /
- U-Pb dating /
- tectonic events /
- Late Devonian /
- Maoniushan Formation /
- northern margin of Qaidam Basin

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[2]	陈风霖, 王剑, 崔晓庄, 沈利军, 李夔洲, 庞维华, 任飞. 扬子西缘峨边群碎屑锆石年代学特征及其地质意义【“华南古大陆演化及其资源环境效应”专辑】 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.072
[3]	韦恒叶, 张淦, 张璇, 胡谍, 龚嘉欣. 中上扬子区上二叠统大隆组硅质岩沉积终结年龄【“华南古大陆演化及其资源环境效应”专辑】 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.065
[4]	蔡欣豫, 王伟, 田洋. 江南造山带中段新元古代构造演化：来自碎屑锆石U-Pb和Lu-Hf同位素的启示【“华南古大陆演化及其资源环境效应”专辑】 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.036
[5]	代雅然, 陈建书, 张嘉玮, 李海波, 刘纬鹏, 王坤. 碎屑锆石U-Pb定年地层划分对比应用探讨——以新元古界梵净山群“淘金河组”为例【“华南古大陆演化及其资源环境效应”专辑】 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.062
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[8]	彭深远, 杨文涛, 张鸿禹, 方特. 华北盆地三叠纪物源特征及其沉积—构造演化 . 沉积学报, 2022, 40(5): 1228-1249. doi: 10.14027/j.issn.1000-0550.2021.021
[9]	王平, 陈玺贇, 朱龙辰, 谢鸿森, 吕开来, 魏晓椿. 碎屑锆石U⁃Pb年代学定量物源分析的基本原理与影响因素 . 沉积学报, 2022, 40(6): 1599-1614. doi: 10.14027/j.issn.1000-0550.2022.099
[10]	王亚东, 张涛, 袁四化, 刘晓燕. 碎屑锆石U-Pb年龄有效性初探 . 沉积学报, 2022, 40(1): 106-118. doi: 10.14027/j.issn.1000-0550.2020.090
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[12]	马帅, 陈世悦, 孙娇鹏, 贾贝贝, 王志金. 柴达木盆地北缘早古生代沉积—构造事件耦合关系 . 沉积学报, 2019, 37(4): 674-689. doi: 10.14027/j.issn.1000-0550.2018.171
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[15]	郭佩, 刘池洋, 王建强, 李长志. 碎屑锆石年代学在沉积物源研究中的应用及存在问题 . 沉积学报, 2017, 35(1): 46-56. doi: 10.14027/j.cnki.cjxb.2017.01.005
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柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

1. 山东科技大学地球科学与工程学院山东青岛 266590;

2. 大陆动力学国家重点实验室西北大学地质系西安 710069;

3. 中国石油青海油田分公司甘肃敦煌 736202

基金项目: 国家科技重大专项课题(编号:2011ZX05003-006)资助;天津地质矿产研究所.中华人民共和国区域地质调查报告.鱼卡沟幅、西泉幅(1:50000),2003.

收稿日期: 2014-05-20
修回日期: 2014-06-12
刊出日期: 2015-06-10

中图分类号: P597⁺.3

关键词:

U-Pb定年 /

摘要: 应用LA-ICP-MS单颗粒锆石U-Pb定年方法, 对柴达木盆地北缘乌兰县上泥盆统牦牛山组两组砂岩样品开展了碎屑锆石U-Pb年代学研究。测年结果显示年龄值分布较宽, 可以划分为5个峰值年龄区间。在这些碎屑锆石中, 最小的年龄为407.9 Ma, 属于岩浆成因, 限定了该套地层的沉积下限, 为不早于早泥盆世末期, 结合区域地质与古生物资料, 该套地层为晚泥盆世。碎屑锆石的年龄分布表明本区可能存在五期区域性地质构造事件, 其中早古生代最为突出, 其次为新元古代和古元古代早期—新太古代晚期, 暗示这三期岩浆活动和变质作用较为活跃, 并为本套地层提供了主要的锆石来源, 具有多时代混合物源特征。样品中少量太古代碎屑锆石的谐和度较好, 为研究区附近可能存在太古宙古老地层提供了一定证据, 但仍需进一步研究。

English Abstract

U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

1. College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590;

2. Geology Department/State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069;

3. Qinghai Oilfield Branch PetroChina, Dunhuang, Dunhuang, Gansu 736202

Received Date: 2014-05-20
Rev Recd Date: 2014-06-12
Publish Date: 2015-06-10

Keywords:

Abstract: This paper studied the age distribution of detrital zircons of sandstone in Maoniushan Formation of Upper Devoion of Wulan country from northern margin of Qaidam Basin using LA-ICP-MS U-Pb isotopic age of zircons. The results show that the detrital zircons of sandstone has a wide range of zircon age, which can be divided into 5 peak interval. This sequence of the strata possibly was deposited in the Late Devonian and not earlier than the end of Early Devonian according to the regional geological correlation and paleontological data. The age distribution of detrital zircons indicate that there may be events of five regional geological structure in this area, and the most prominent is the Early Paleozoic, followed by Neoproterozoic and Early Paleoproterozoic-Late New Archean, which imply that the three periods of metamorphism and magmatic activity is relatively active and provide the main source of zircon for this strata with a mixture of multi-source characteristics. The obtained age data indicate the multi-provenance of the sandstone. In addition, there are less Archean detrital zircon having a high degree of harmony, which has provided some basis for the possible existence of Archean old strata, but needs further research.

引用本文:

Citation:

FENG Qiao, QIN Yu, FU SuoTang, LIU YiQun, ZHOU DingWu, MA DaDe, WANG LiQun, REN JunHu, WANG ChenYu. U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin[J]. Acta Sedimentologica Sinica, 2015, 33(3): 486-499. doi: 10.14027/j.cnki.cjxb.2015.03.007

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柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

计量

U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

计量

目录

柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

1. 山东科技大学地球科学与工程学院山东青岛 266590;

2. 大陆动力学国家重点实验室西北大学地质系西安 710069;

3. 中国石油青海油田分公司甘肃敦煌 736202

English Abstract

U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

1. College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590;

2. Geology Department/State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069;

3. Qinghai Oilfield Branch PetroChina, Dunhuang, Dunhuang, Gansu 736202

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柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

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U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

计量

出版历程

目录

柴达木盆地北缘乌兰县牦牛山组碎屑锆石U-Pb定年及其地质意义

doi: 10.14027/j.cnki.cjxb.2015.03.007

1. 山东科技大学地球科学与工程学院 山东青岛 266590; 2. 大陆动力学国家重点实验室 西北大学地质系 西安 710069; 3. 中国石油青海油田分公司 甘肃敦煌 736202

English Abstract

U-Pb Age of Detrital Zircons and Its Geological Significance from Maoniushan Formation in the Wulan County, Northern Margin of Qaidam Basin

1. College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590; 2. Geology Department/State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069; 3. Qinghai Oilfield Branch PetroChina, Dunhuang, Dunhuang, Gansu 736202

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目录

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期刊在线

联系我们

1. 山东科技大学地球科学与工程学院山东青岛 266590;

2. 大陆动力学国家重点实验室西北大学地质系西安 710069;

3. 中国石油青海油田分公司甘肃敦煌 736202