Closure of the Solonker basin: Paleomagnetism of the Linxi and Xingfuzhilu formations (Inner Mongolia, China)
- Authors: Didenko A.N.1,2, Li Y.3, Peskov A.Y.1, Sun S.3, Karetnikov A.S.1, Zhou Y.3
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Affiliations:
- Kosygin Institute of Tectonics and Geophysics
- Geological Institute
- Shenyang Institute of Geology and Mineral Resources
- Issue: Vol 10, No 5 (2016)
- Pages: 317-336
- Section: Article
- URL: https://journals.rcsi.science/1819-7140/article/view/211123
- DOI: https://doi.org/10.1134/S181971401605002X
- ID: 211123
Cite item
Abstract
The results of petro- and paleomagnetic studies of the volcanic and sedimentary rocks of the Linxi and Xingfuzhilu formations (Solonker Zone, Inner Mongolia, China) are reported. The direction of an ancient prefold magnetization component is determined (Dec = 157.8°, Inc =–43.5°, K = 10.0, α95 = 5.8°) and the coordinates of the corresponding paleomagnetic pole at ~250 Ma are calculated (Plat = 64.2°, Plong = 350.6°, dp = 4.5°, dm = 7.2°). The obtained and published paleomagnetic, geochronological, and geochemical data permit palinspatic reconstructions, according to which (1) a paleobasin ~500 km wide existed between the Late Permian and beginning of the Early Triassic (250 Ma); and (2) its closure occurred not in the Permian as previously thought, but at the beginning of the Early Triassic.
About the authors
A. N. Didenko
Kosygin Institute of Tectonics and Geophysics; Geological Institute
Author for correspondence.
Email: itig@itig.as.klib.ru
Russian Federation, ul. Kim Yu Chena 65, Khabarovsk, 680000; Pyzhevskii per. 7, Moscow, 119017
Yong-Fei Li
Shenyang Institute of Geology and Mineral Resources
Email: itig@itig.as.klib.ru
China, Shenyang
A. Yu. Peskov
Kosygin Institute of Tectonics and Geophysics
Email: itig@itig.as.klib.ru
Russian Federation, ul. Kim Yu Chena 65, Khabarovsk, 680000
Shou-Liang Sun
Shenyang Institute of Geology and Mineral Resources
Email: itig@itig.as.klib.ru
China, Shenyang
A. S. Karetnikov
Kosygin Institute of Tectonics and Geophysics
Email: itig@itig.as.klib.ru
Russian Federation, ul. Kim Yu Chena 65, Khabarovsk, 680000
Yong-Heng Zhou
Shenyang Institute of Geology and Mineral Resources
Email: itig@itig.as.klib.ru
China, Shenyang