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DC Field | Value | Language |
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dc.contributor.author | Jiang, L | - |
dc.contributor.author | Tang, C | - |
dc.contributor.author | Gong, B | - |
dc.contributor.author | Chen, Z | - |
dc.contributor.author | Chen, T | - |
dc.contributor.author | Qin, Z | - |
dc.contributor.author | Chen, G | - |
dc.date.accessioned | 2024-06-02T07:24:43Z | - |
dc.date.available | 2024-06-02T07:24:43Z | - |
dc.date.issued | 2024-06-08 | - |
dc.identifier | ORCiD: Bin Gong https://orcid.org/0000-0002-9464-3423 | - |
dc.identifier | 100187 | - |
dc.identifier.citation | Jiang, L. et al. (2024) 'Origin of continental red beds: warming from above or heating from below?', Solid Earth Sciences, 9 (3), 100187, pp. 1 - 8. doi: 10.1016/j.sesci.2024.100187. | en_US |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/29098 | - |
dc.description | Data availability: The data underpinning this publication can be accessed from Brunel University London's data repository, Brunelfigshare here under a CCBY licence: https://doi.org/10.17633/rd.brunel.25952824. | en_US |
dc.description.abstract | The formation of continental red beds is generally considered to be related to an arid climate. Heating experiments (performed by L.J. and G.C.) using dried black mud sediment also demonstrate that the reddening may be caused by the transformation of goethite to haematite that begins at approximately 150 °C under anhydrous conditions, and increasing the temperature to 450 °C is positively correlated with the red colour and peak value of haematite. If this process applies to continental red beds, it implies a thermal origin of red beds as a result of high diagenetic temperatures rather than as the cause of their deposition under an arid climate. Namely, subsiding red-bed basins are heated from below rather than warmed from above. Here, we further strengthen this idea by new evidence from borehole cores drilled from red beds in SE China, showing a clear geological section from the surface soil to red beds to bottom granite. The data reveal that the continental red beds formed at least at a temperature within 150–400 °C, and the underlying granite usually formed at temperatures greater than 600 °C. Our results imply a possible relationship between continental red bed events and Earth's thermal cycles. | en_US |
dc.description.sponsorship | Original Exploration Project of the National Natural Science Foundation of China (Grant No. 42050201), the general project of the State Key Laboratory of Geological Processes and Mineral Resources (China University of Geosciences (Wuhan)) (Grant No. GPMR202002), the special fund for Special Project of Geological Hazard Control, Guangdong Province, China (Grant No. 2017201), the multi-element three-dimensional urban geological survey project of Zhongshan City, China (Grant No. 442000-201903-2019001-0011 (ZZ21909738)), and the Science and Technology Projects of Guangzhou, China (Grant No. 202201010638). | en_US |
dc.format.extent | 1 - 8 | - |
dc.format.medium | Electronic | - |
dc.language.iso | en_US | en_US |
dc.publisher | Elsevier on behalf of Guangzhou Institute of Geochemistry | en_US |
dc.rights | Copyright © 2024, Guangzhou Institute of Geochemistry. CAS. Published by Elsevier BV. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/). | - |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | - |
dc.subject | red bed | en_US |
dc.subject | formation mechanism | en_US |
dc.subject | haematite | en_US |
dc.subject | high diagenetic temperature | en_US |
dc.subject | arid climate | en_US |
dc.title | Origin of continental red beds: warming from above or heating from below? | en_US |
dc.type | Article | en_US |
dc.identifier.doi | https://doi.org/10.1016/j.sesci.2024.100187 | - |
dc.relation.isPartOf | Solid Earth Sciences | - |
pubs.issue | 3 | - |
pubs.publication-status | Published online | - |
pubs.volume | 9 | - |
dc.identifier.eissn | 2451-912X | - |
dc.rights.license | https://creativecommons.org/licenses/by/4.0/legalcode.en | - |
dc.rights.holder | Guangzhou Institute of Geochemistry. CAS | - |
Appears in Collections: | Dept of Civil and Environmental Engineering Research Papers |
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FullText.pdf | Copyright © 2024, Guangzhou Institute of Geochemistry. CAS. Published by Elsevier BV. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/). | 1.49 MB | Adobe PDF | View/Open |
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