Thermochronology of the Cordilleran-Type Metamorphic Core Complex: The Example of the Song Chay Massif, Northern Vietnam
Based on reconstruction of the thermal evolution of the Song-Chai gneiss–granite massif (Northern Vietnam), the long-term occurrence of granitoid magma at deep levels of the Earth’s crust ( H = 15–20 km, Δ t ~ 20–50 Ma) is established. The geodynamic analysis and mathematical modeling of the history...
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| Veröffentlicht in: | Doklady earth sciences 2019-10, Vol.488 (2), p.1231-1239 |
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| container_title | Doklady earth sciences |
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| creator | Vladimirov, A. G. Travin, A. V. Anh, Phan Luu Murzintsev, N. G. Mikheev, E. I. |
| description | Based on reconstruction of the thermal evolution of the Song-Chai gneiss–granite massif (Northern Vietnam), the long-term occurrence of granitoid magma at deep levels of the Earth’s crust (
H
= 15–20 km, Δ
t
~ 20–50 Ma) is established. The geodynamic analysis and mathematical modeling of the history of consolidation and cooling of the granitoid batholith shows that the magmatic chamber was a thermal trap at the lower level of the Earth’s crust, preserving the residual granite melt for a long time. The removal of this thermal trap from the quasi-stationary state occurs in the zones of transform sliding of lithospheric plates and is accompanied by tectonic exposure of large segments of the Earth’s crust. Ultimately, this leads to transformation of the batholiths into a metamorphic core complex of the Cordilleran-type, to emplacement of residual melts, and, consequently, to the formation of commercial rare-metal deposits. |
| doi_str_mv | 10.1134/S1028334X19100283 |
| format | Article |
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H
= 15–20 km, Δ
t
~ 20–50 Ma) is established. The geodynamic analysis and mathematical modeling of the history of consolidation and cooling of the granitoid batholith shows that the magmatic chamber was a thermal trap at the lower level of the Earth’s crust, preserving the residual granite melt for a long time. The removal of this thermal trap from the quasi-stationary state occurs in the zones of transform sliding of lithospheric plates and is accompanied by tectonic exposure of large segments of the Earth’s crust. Ultimately, this leads to transformation of the batholiths into a metamorphic core complex of the Cordilleran-type, to emplacement of residual melts, and, consequently, to the formation of commercial rare-metal deposits.</description><identifier>ISSN: 1028-334X</identifier><identifier>EISSN: 1531-8354</identifier><identifier>DOI: 10.1134/S1028334X19100283</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Batholiths ; Earth ; Earth and Environmental Science ; Earth crust ; Earth Sciences ; Geochemistry ; Geological time ; Gneiss ; Granite ; Lava ; Magma ; Massifs ; Mathematical models ; Metals ; Plates ; Residual soils ; Tectonics ; Thermal evolution</subject><ispartof>Doklady earth sciences, 2019-10, Vol.488 (2), p.1231-1239</ispartof><rights>Pleiades Publishing, Ltd. 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-743a589c371efdb9788ee4bb9bde50e2656ce1d71e3be663760b22685e04b5e03</citedby><cites>FETCH-LOGICAL-c316t-743a589c371efdb9788ee4bb9bde50e2656ce1d71e3be663760b22685e04b5e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1028334X19100283$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1028334X19100283$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Vladimirov, A. G.</creatorcontrib><creatorcontrib>Travin, A. V.</creatorcontrib><creatorcontrib>Anh, Phan Luu</creatorcontrib><creatorcontrib>Murzintsev, N. G.</creatorcontrib><creatorcontrib>Mikheev, E. I.</creatorcontrib><title>Thermochronology of the Cordilleran-Type Metamorphic Core Complex: The Example of the Song Chay Massif, Northern Vietnam</title><title>Doklady earth sciences</title><addtitle>Dokl. Earth Sc</addtitle><description>Based on reconstruction of the thermal evolution of the Song-Chai gneiss–granite massif (Northern Vietnam), the long-term occurrence of granitoid magma at deep levels of the Earth’s crust (
H
= 15–20 km, Δ
t
~ 20–50 Ma) is established. The geodynamic analysis and mathematical modeling of the history of consolidation and cooling of the granitoid batholith shows that the magmatic chamber was a thermal trap at the lower level of the Earth’s crust, preserving the residual granite melt for a long time. The removal of this thermal trap from the quasi-stationary state occurs in the zones of transform sliding of lithospheric plates and is accompanied by tectonic exposure of large segments of the Earth’s crust. Ultimately, this leads to transformation of the batholiths into a metamorphic core complex of the Cordilleran-type, to emplacement of residual melts, and, consequently, to the formation of commercial rare-metal deposits.</description><subject>Batholiths</subject><subject>Earth</subject><subject>Earth and Environmental Science</subject><subject>Earth crust</subject><subject>Earth Sciences</subject><subject>Geochemistry</subject><subject>Geological time</subject><subject>Gneiss</subject><subject>Granite</subject><subject>Lava</subject><subject>Magma</subject><subject>Massifs</subject><subject>Mathematical models</subject><subject>Metals</subject><subject>Plates</subject><subject>Residual soils</subject><subject>Tectonics</subject><subject>Thermal evolution</subject><issn>1028-334X</issn><issn>1531-8354</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1UE1PgzAYbowmzukP8NbEq2hLWyjeDJkfyaaHTeONFHgZLECxZQn8e0um8WC8vF_Px5s8CF1SckMp47drSnzJGP-gESXTeIRmVDDqSSb4sZvdzZvwU3Rm7Y4QzrmIZmjYlGAanZVGt7rW2xHrAvcl4FibvKprMKr1NmMHeAW9arTpyiqbwInRdDUMd9hZ4MWgpu1HvdbtFselGvFKWVsV1_hFGweYFr9X0LeqOUcnhaotXHz3OXp7WGziJ2_5-vgc3y-9jNGg90LOlJBRxkIKRZ5GoZQAPE2jNAdBwA9EkAHNHcpSCAIWBiT1_UAKIDx1hc3R1cG3M_pzD7ZPdnpvWvcy8RnlhIdSMMeiB1ZmtLUGiqQzVaPMmFCSTAEnfwJ2Gv-gsY7bbsH8Ov8v-gJapH2G</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Vladimirov, A. 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H
= 15–20 km, Δ
t
~ 20–50 Ma) is established. The geodynamic analysis and mathematical modeling of the history of consolidation and cooling of the granitoid batholith shows that the magmatic chamber was a thermal trap at the lower level of the Earth’s crust, preserving the residual granite melt for a long time. The removal of this thermal trap from the quasi-stationary state occurs in the zones of transform sliding of lithospheric plates and is accompanied by tectonic exposure of large segments of the Earth’s crust. Ultimately, this leads to transformation of the batholiths into a metamorphic core complex of the Cordilleran-type, to emplacement of residual melts, and, consequently, to the formation of commercial rare-metal deposits.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1028334X19100283</doi><tpages>9</tpages></addata></record> |
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| subjects | Batholiths Earth Earth and Environmental Science Earth crust Earth Sciences Geochemistry Geological time Gneiss Granite Lava Magma Massifs Mathematical models Metals Plates Residual soils Tectonics Thermal evolution |
| title | Thermochronology of the Cordilleran-Type Metamorphic Core Complex: The Example of the Song Chay Massif, Northern Vietnam |
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