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  Terrestrial Heat Flow Variation With Depth Caused by Anomalously High Radiogenic Heat Production

Wang, Y., Furlong, K., Fuchs, S., He, L., Hu, S. (2023): Terrestrial Heat Flow Variation With Depth Caused by Anomalously High Radiogenic Heat Production. - Geophysical Research Letters, 50, 8, e2022GL102312.
https://doi.org/10.1029/2022GL102312

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Wang, Yibo1, Autor              
Furlong, Kevin2, Autor
Fuchs, Sven1, Autor              
He, Lijuan2, Autor
Hu, Shengbiao2, Autor
Affiliations:
14.8 Geoenergy, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146039              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Surface Heat flow (HF) can be calculated from the accumulation of radiogenic heat production (RHP) of arbitrarily subdivided thin layers of the crust and the residual HF. However, geothermal studies of scientific drilling projects around the world do not have clear vertical correspondence between HF and RHP, which has created a great controversy for the relationship between the two. For the first time, continuous temperature data, thermal conductivity and RHP measurements from the 3,008-m-deep Lujiang-Zongyang Scientific Drilling in the northeastern Yangtze Craton, demonstrate that the abnormal HF is determined by high RHP rock (mean value, 10 μW/m3). The detailed spatial-temporal study of magmatic activity in the Lujiang-Zongyang basin shows the high RHP rock are concentrated in the early syenite-monzonite period (133–131 Ma) in the northern basin. Two enrichment processes caused by late Neoproterozoic and Mesozoic subduction contribute to the formation.

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 Datum: 2023-04-232023
 Publikationsstatus: Final veröffentlicht
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 Identifikatoren: DOI: 10.1029/2022GL102312
GFZPOF: p4 T8 Georesources
OATYPE: Gold Open Access
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Titel: Geophysical Research Letters
Genre der Quelle: Zeitschrift, SCI, Scopus, ab 2023 oa
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Seiten: - Band / Heft: 50 (8) Artikelnummer: e2022GL102312 Start- / Endseite: - Identifikator: ISSN: 1944-8007
ISSN: 0094-8276
CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals182
Publisher: American Geophysical Union (AGU)
Publisher: Wiley