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Constraining the denudation process in the eastern Sichuan Basin, China using low-temperature thermochronology and vitrinite reflectance data
Zhu, Chuanqing1,2,3; Qiu, Nansheng1,2; Liu, Yifeng4; Xiao, Yao1,2; Hu, Shengbiao5
2019
发表期刊GEOLOGICAL JOURNAL
ISSN0072-1050
卷号54期号:1页码:426-437
摘要The temperature history of samples and maximum palaeogeothermal profiles of boreholes were reconstructed based on low-temperature thermochronology and vitrinite reflectance data, and the results provide limits for the timescale and amount of uplift-denudation of the eastern Sichuan Basin. The thermal history showed that the uplifting and cooling of eastern Sichuan Basin began around the Late Cretaceous (approximately 100-80 Ma). The region had experienced a continuous cooling process from the Late Cretaceous until the present, with the geothermal gradient decreasing from 32-36 degrees C/km to 20-23 degrees C/km. The amount of denudation at the Puguang region in north-eastern Sichuan was approximately 2.3 km, whereas that at south-eastern Sichuan was 1.9 km, and the erosion thickness in the eastern Sichuan fold belt that was revealed via the field samples is 2.3 +/- 0.3-2.6 +/- 0.3 km. The north-eastern Sichuan experienced sustained cooling with inconspicuous fluctuations, whereas the thrust belt and the south-eastern Sichuan Basin presented 2-4 stages with different cooling rates. It may indicate that the eastern Sichuan fold belt experienced a complex structural evolution, characterized by episodic upliftings and deformations since Late Cretaceous, while a different and gentle deformation took place in the northeastern Sichuan Basin.
关键词eastern Sichuan Basin low-temperature thermochronology thermal history uplift-denudation vitrinite reflectance
DOI10.1002/gj.3191
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China
关键词[WOS]APATITE FISSION-TRACK ; (U-TH)/HE THERMOCHRONOMETRY ; HELIUM DIFFUSION ; FORELAND BASIN ; RECONSTRUCTION ; EVOLUTION ; HISTORY ; FIELD
语种英语
资助项目National Natural Science Foundation of China[41690013] ; National Natural Science Foundation of China[41772248] ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China[2017ZX05008004]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Scholarship Council (CSC) ; Chinese Scholarship Council (CSC) ; Technology Major Project" of China ; Technology Major Project" of China
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000455038100028
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90203
专题岩石圈演化国家重点实验室
通讯作者Zhu, Chuanqing
作者单位1.China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
2.China Univ Petr, Coll Geosci, Beijing, Peoples R China
3.Univ Glasgow, Sch Geog & Earth Sci, Glasgow, Lanark, Scotland
4.Nanjing Univ, Sch Earth Sci & Engn, Nanjing, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
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GB/T 7714
Zhu, Chuanqing,Qiu, Nansheng,Liu, Yifeng,et al. Constraining the denudation process in the eastern Sichuan Basin, China using low-temperature thermochronology and vitrinite reflectance data[J]. GEOLOGICAL JOURNAL,2019,54(1):426-437.
APA Zhu, Chuanqing,Qiu, Nansheng,Liu, Yifeng,Xiao, Yao,&Hu, Shengbiao.(2019).Constraining the denudation process in the eastern Sichuan Basin, China using low-temperature thermochronology and vitrinite reflectance data.GEOLOGICAL JOURNAL,54(1),426-437.
MLA Zhu, Chuanqing,et al."Constraining the denudation process in the eastern Sichuan Basin, China using low-temperature thermochronology and vitrinite reflectance data".GEOLOGICAL JOURNAL 54.1(2019):426-437.
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