This study provides a comprehensive analysis combining multi-element (Sr, Y, Th, U and REE) geochemistry and U–Pb geochronology of single-grain apatite with zircon U–Pb ages from channel sand deposits of the palaeo Fen River, collected at the Chaizhuang and Weijiazhuang sites, corresponding to sediments from the Late Pleistocene and late Middle Pleistocene, respectively. The results unveil that the analysed apatites originated from a varied assemblage of source rocks, encompassing mafic–ultramafic rocks, intermediate to felsic I-type plutons, highly fractionated S-type granites and pegmatites, as well as assorted metamorphic rocks. U–Pb age dating of detrital zircons and apatites identifies three predominant age peaks at 2.4, 2.2 and 1.8 Ga, consistent with known tectonothermal episodes within the North China Craton (NCC). The similarity in U–Pb age spectra for both zircon and apatite, along with comparable apatite geochemical characteristics across both the Chaizhuang and Weijiazhuang sections, indicates stable provenance with little to no change from the late Middle Pleistocene to the Late Pleistocene. This continuity in provenance signatures suggests an absence of shift in drainage patterns or sediment sources, indicating that the current location and pattern of Fen River lower reach drainage was not formed at least by then. Consequently, it is inferred that the detrital material composing the palaeo Fen River sediments during this period predominantly originated from the NCC.
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Research Article|
July 17, 2024
Channel evolution in the lower reach of palaeo Fen River: evidence from detrital apatite petrochronology and zircon geochronology Available to Purchase
Zhongmei Wang;
Zhongmei Wang
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
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Honglin He;
Honglin He
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
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Feng Shi;
Feng Shi
*
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
*
Correspondence: [email protected]
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Qitian Zhuang
Qitian Zhuang
3
POWERCHINA Kunming Engineering Corporation Limited
, Kunming 650051, China
Search for other works by this author on:
Zhongmei Wang
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
Honglin He
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
Feng Shi
*
1
State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration
, Beijing 100029, China
2
Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
, Beijing 100029, China
Qitian Zhuang
3
POWERCHINA Kunming Engineering Corporation Limited
, Kunming 650051, China
*
Correspondence: [email protected]
Publisher: Geological Society of London
Received:
09 Oct 2023
Revision Received:
19 Apr 2024
Accepted:
23 May 2024
First Online:
03 Jun 2024
Online ISSN: 2041-479X
Print ISSN: 0016-7649
Funding
- Funder(s):Fundamental Research Funds in the Institute of Geology, China Earthquake Administration
- Award Id(s): IGCEA2205
- Award Id(s):
- Funder(s):the Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
- Award Id(s): NORSTY20-04
- Award Id(s):
© 2024 The Author(s). Published by The Geological Society of London. All rights reserved
© 2024 The Author(s)
Journal of the Geological Society (2024) 181 (5): jgs2023-174.
Article history
Received:
09 Oct 2023
Revision Received:
19 Apr 2024
Accepted:
23 May 2024
First Online:
03 Jun 2024
Citation
Zhongmei Wang, Honglin He, Feng Shi, Qitian Zhuang; Channel evolution in the lower reach of palaeo Fen River: evidence from detrital apatite petrochronology and zircon geochronology. Journal of the Geological Society 2024;; 181 (5): jgs2023–174. doi: https://doi.org/10.1144/jgs2023-174
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Index Terms/Descriptors
- apatite
- Asia
- Cenozoic
- chemical composition
- China
- clastic sediments
- detritus
- Far East
- fluvial environment
- isotope ratios
- isotopes
- landform evolution
- metals
- middle Pleistocene
- Nd-144/Nd-143
- neodymium
- nesosilicates
- North China Platform
- orthosilicates
- paleochannels
- phosphates
- Pleistocene
- provenance
- Qinling Mountains
- Quaternary
- rare earths
- sand
- sediments
- silicates
- stable isotopes
- stream sediments
- U/Pb
- upper Pleistocene
- zircon
- zircon group
- detrital zircon
- Fen River
- Lvliang Mountains
Latitude & Longitude
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