Thermal properties of harzburgite and dunite at 0.8–3 GPa and 300–823 K and implications for the thermal evolution of Tibet
Thermal diffusivity (D) and thermal conductivity (κ) of harzburgite and dunite from Luobusha ophiolite were simultaneously measured up to 3 GPa and 823 K using the transient plane-source method in a multi anvil apparatus. The results show that the values of D and κ of both samples systematically d...
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| Veröffentlicht in: | Di xue qian yuan. 2021-03, Vol.12 (2), p.947-956 |
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| creator | Ge, Jianhua Zhang, Baohua Xiong, Zili He, Lanfang Li, Heping |
| description | Thermal diffusivity (D) and thermal conductivity (κ) of harzburgite and dunite from Luobusha ophiolite were simultaneously measured up to 3 GPa and 823 K using the transient plane-source method in a multi anvil apparatus. The results show that the values of D and κ of both samples systematically decrease with increasing temperature and increase with increasing pressure. By combination of the thermal physical data of rocks and minerals and geophysical constraints, we performed numerical simulation on the thermal evolution of Tibet vary over depth, distance and geologic ages. The present results provide new constraints on occurrence of partial melting and its geophysical significance beneath Tibetan crust.
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•Thermal diffusivity and conductivity of harzburgite and dunite were measured at 300–823 K and 0.8–3 GPa.•D and κ systematically decrease with increasing T and increase with increasing P.•Numerical simulations provide new constraints on occurrence of partial melting beneath Tibetan crust. |
| doi_str_mv | 10.1016/j.gsf.2020.01.008 |
| format | Article |
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[Display omitted]
•Thermal diffusivity and conductivity of harzburgite and dunite were measured at 300–823 K and 0.8–3 GPa.•D and κ systematically decrease with increasing T and increase with increasing P.•Numerical simulations provide new constraints on occurrence of partial melting beneath Tibetan crust.</description><identifier>ISSN: 1674-9871</identifier><identifier>EISSN: 2588-9192</identifier><identifier>DOI: 10.1016/j.gsf.2020.01.008</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Constraint modelling ; Dunite ; Geophysics ; Harzburgite ; Temperature ; Thermal conductivity ; Thermal diffusivity ; Thermal evolution ; Thermodynamic properties ; Tibet</subject><ispartof>Di xue qian yuan., 2021-03, Vol.12 (2), p.947-956</ispartof><rights>2020 China University of Geosciences (Beijing) and Peking University</rights><rights>Copyright Elsevier Science Ltd. Mar 2021</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-b13b9adf96a61d274699f5027b440da1420e498f7f6616931082db34cad46a873</citedby><cites>FETCH-LOGICAL-c400t-b13b9adf96a61d274699f5027b440da1420e498f7f6616931082db34cad46a873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/dxqy-e/dxqy-e.jpg</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.gsf.2020.01.008$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Ge, Jianhua</creatorcontrib><creatorcontrib>Zhang, Baohua</creatorcontrib><creatorcontrib>Xiong, Zili</creatorcontrib><creatorcontrib>He, Lanfang</creatorcontrib><creatorcontrib>Li, Heping</creatorcontrib><title>Thermal properties of harzburgite and dunite at 0.8–3 GPa and 300–823 K and implications for the thermal evolution of Tibet</title><title>Di xue qian yuan.</title><description>Thermal diffusivity (D) and thermal conductivity (κ) of harzburgite and dunite from Luobusha ophiolite were simultaneously measured up to 3 GPa and 823 K using the transient plane-source method in a multi anvil apparatus. The results show that the values of D and κ of both samples systematically decrease with increasing temperature and increase with increasing pressure. By combination of the thermal physical data of rocks and minerals and geophysical constraints, we performed numerical simulation on the thermal evolution of Tibet vary over depth, distance and geologic ages. The present results provide new constraints on occurrence of partial melting and its geophysical significance beneath Tibetan crust.
[Display omitted]
•Thermal diffusivity and conductivity of harzburgite and dunite were measured at 300–823 K and 0.8–3 GPa.•D and κ systematically decrease with increasing T and increase with increasing P.•Numerical simulations provide new constraints on occurrence of partial melting beneath Tibetan crust.</description><subject>Constraint modelling</subject><subject>Dunite</subject><subject>Geophysics</subject><subject>Harzburgite</subject><subject>Temperature</subject><subject>Thermal conductivity</subject><subject>Thermal diffusivity</subject><subject>Thermal evolution</subject><subject>Thermodynamic properties</subject><subject>Tibet</subject><issn>1674-9871</issn><issn>2588-9192</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9Uc1u1DAYtBCVWLV9AG6ROHBK-Ow4_hEnVEFBrdQelrPlxPauV7vJ1nZKy6k3Dhx5AZ6lj9InqbOpxA1Llq35ZjzyDEJvMVQYMPuwqVbRVQQIVIArAPEKLUgjRCmxJK_RAjNOSyk4foNOY9xAXpwLzmGBfi3XNuz0ttiHYW9D8jYWgyvWOvxsx7DyyRa6N4UZ-8M1FVCJp4c_9ePfp4ff59f6MK0BMibIjF4cML_bb32nkx_6WLghFGltp30ws7fDdpxGk9fStzadoCOnt9GevpzH6PuXz8uzr-Xl1fm3s0-XZUcBUtniupXaOMk0w4ZwyqR0DRDeUgpGY0rAUikcd4xhJmsMgpi2pp02lGnB62P0fn73h-6d7ldqM4yhz47K3N3cK5tDxDnHusnMdzMzJ3Mz2pj-UUlDhOBNLUlm4ZnVhSHGYJ3aB7_T4V5hUFM5aqNyOWoqRwFWuZys-ThrbP7orbdBxc7bvrPGB9slZQb_H_UzMmKaAQ</recordid><startdate>20210301</startdate><enddate>20210301</enddate><creator>Ge, Jianhua</creator><creator>Zhang, Baohua</creator><creator>Xiong, Zili</creator><creator>He, Lanfang</creator><creator>Li, Heping</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><general>University of Chinese Academy of Sciences,Beijing 100049,China%Key Laboratory for High-Temperature and High-Pressure Study of the Earth's Interior,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550081,China%State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China</general><general>Key Laboratory for High-Temperature and High-Pressure Study of the Earth's Interior,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550081,China</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20210301</creationdate><title>Thermal properties of harzburgite and dunite at 0.8–3 GPa and 300–823 K and implications for the thermal evolution of Tibet</title><author>Ge, Jianhua ; 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The results show that the values of D and κ of both samples systematically decrease with increasing temperature and increase with increasing pressure. By combination of the thermal physical data of rocks and minerals and geophysical constraints, we performed numerical simulation on the thermal evolution of Tibet vary over depth, distance and geologic ages. The present results provide new constraints on occurrence of partial melting and its geophysical significance beneath Tibetan crust.
[Display omitted]
•Thermal diffusivity and conductivity of harzburgite and dunite were measured at 300–823 K and 0.8–3 GPa.•D and κ systematically decrease with increasing T and increase with increasing P.•Numerical simulations provide new constraints on occurrence of partial melting beneath Tibetan crust.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.gsf.2020.01.008</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Di xue qian yuan., 2021-03, Vol.12 (2), p.947-956 |
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| language | eng |
| recordid | cdi_wanfang_journals_dxqy_e202102035 |
| source | Elsevier ScienceDirect Journals Complete; EZB-FREE-00999 freely available EZB journals |
| subjects | Constraint modelling Dunite Geophysics Harzburgite Temperature Thermal conductivity Thermal diffusivity Thermal evolution Thermodynamic properties Tibet |
| title | Thermal properties of harzburgite and dunite at 0.8–3 GPa and 300–823 K and implications for the thermal evolution of Tibet |
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