Completing the loop of the Late Jurassic-Early Cretaceous true polar wander event
© 2024. The Author(s)..
The reorientation of Earth through rotation of its solid shell relative to its spin axis is known as True polar wander (TPW). It is well-documented at present, but the occurrence of TPW in the geologic past remains controversial. This is especially so for Late Jurassic TPW, where the veracity and dynamics of a particularly large shift remain debated. Here, we report three palaeomagnetic poles at 153, 147, and 141 million years (Myr) ago from the North China craton that document an ~ 12° southward shift in palaeolatitude from 155-147 Myr ago (~1.5° Myr-1), immediately followed by an ~ 10° northward displacement between 147-141 Myr ago (~1.6° Myr-1). Our data support a large round-trip TPW oscillation in the past 200 Myr and we suggest that the shifting back-and-forth of the continents may contribute to the biota evolution in East Asia and the global Jurassic-Cretaceous extinction and endemism.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 12. März, Seite 2183 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hou, Yifei [VerfasserIn] |
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| Anmerkungen: |
Date Revised 15.03.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41467-024-46466-7 |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a The reorientation of Earth through rotation of its solid shell relative to its spin axis is known as True polar wander (TPW). It is well-documented at present, but the occurrence of TPW in the geologic past remains controversial. This is especially so for Late Jurassic TPW, where the veracity and dynamics of a particularly large shift remain debated. Here, we report three palaeomagnetic poles at 153, 147, and 141 million years (Myr) ago from the North China craton that document an ~ 12° southward shift in palaeolatitude from 155-147 Myr ago (~1.5° Myr-1), immediately followed by an ~ 10° northward displacement between 147-141 Myr ago (~1.6° Myr-1). Our data support a large round-trip TPW oscillation in the past 200 Myr and we suggest that the shifting back-and-forth of the continents may contribute to the biota evolution in East Asia and the global Jurassic-Cretaceous extinction and endemism | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Qin, Huafeng |e verfasserin |4 aut | |
| 700 | 1 | |a Mitchell, Ross N |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Qiuli |e verfasserin |4 aut | |
| 700 | 1 | |a Hao, Wenxing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Ward, Peter D |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Chenglong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Rixiang |e verfasserin |4 aut | |
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