Granitoids of the Altakhta Сomplex, the Eastern Part of the Bureya Continental Massif, Central Asian Fold Belt: Age, Geochemical Features, and Geodynamic Interpretations
New data are reported on the age, composition, and formation conditions of the Late Triassic granitoids of minor intrusions from the eastern part of the Bureya continental massif of the Central Asian fold belt, and their geodynamic interpretation is given. U–Pb geochronological zircon studies indica...
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| Veröffentlicht in: | Russian journal of Pacific geology 2021-07, Vol.15 (4), p.325-344 |
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| container_title | Russian journal of Pacific geology |
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| creator | Guryanov, V. A. Nigai, E. V. Yurchenko, Yu. Yu Arkhipov, M. V. Amelin, S. A. Arapov, V. N. |
| description | New data are reported on the age, composition, and formation conditions of the Late Triassic granitoids of minor intrusions from the eastern part of the Bureya continental massif of the Central Asian fold belt, and their geodynamic interpretation is given. U–Pb geochronological zircon studies indicate that the rocks of the Altakhta syenite–leucogranite complex were formed in two phases within 235–224 Ma. The first phase (235.3 ± 2.9–230 Ma) was responsible for the formation of magmatic rocks that are similar to the А
1
-type intraplate granitoids in terms of geochemistry and resemble subduction- and collision- related granitoids in terms of REE composition. The second phase (226–224 Ma) produced granites similar to А
2
-type and А
2
+ I and S-types. A combination of within-plate and subduction signatures and the presence of A, I, and S-type rocks of similar ages in this complex supports their formation in a transform continental margin setting. |
| doi_str_mv | 10.1134/S1819714021040059 |
| format | Article |
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1
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2
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1
-type intraplate granitoids in terms of geochemistry and resemble subduction- and collision- related granitoids in terms of REE composition. The second phase (226–224 Ma) produced granites similar to А
2
-type and А
2
+ I and S-types. A combination of within-plate and subduction signatures and the presence of A, I, and S-type rocks of similar ages in this complex supports their formation in a transform continental margin setting.</description><subject>Composition</subject><subject>Continental margins</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Isotopes</subject><subject>Rock</subject><subject>Rocks</subject><subject>Subduction</subject><subject>Triassic</subject><subject>Zircon</subject><issn>1819-7140</issn><issn>1819-7159</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kUtOwzAQhiMEElXpAdhZYtuCH0kds2srWpBAIAHraBJPaCC1i-1K9DhsOQ1HwqU8FghvxjPz_f9IM0lyyOgxYyI9uWU5U5KllDOaUpqpnaSzKQ0ky9Tuzz-l-0nP-0can-AyH4pO8jZzYJpgG-2JrUmYIxm1AZ7mAcj7q10sW3zpf5bPwAd0htyAC9_oeOVwDWRiTWgMmgAtuQLvm7pPJjF1MR_5BgyZ2laTMbbhlIwesE9maKs5LpoqElOEEH18n4DRm45eG4gtcmHiwKXDAKGxxh8kezW0HntfsZvcT8_uJueDy-vZxWR0OahYLtSA8TKllSrjKoTgQ6GUlAxklWleUcVTXnJUmgvNJeq6LJWsKWqpIJd0qGkuusnR1nfp7PMKfSge7cqZOLLg2TBlGaMyixTbUpWz3jusi6VrFuDWBaPF5irFn6tEDd9qfGTNA7pf5_9FH8Amjxo</recordid><startdate>20210701</startdate><enddate>20210701</enddate><creator>Guryanov, V. A.</creator><creator>Nigai, E. V.</creator><creator>Yurchenko, Yu. Yu</creator><creator>Arkhipov, M. V.</creator><creator>Amelin, S. A.</creator><creator>Arapov, V. N.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20210701</creationdate><title>Granitoids of the Altakhta Сomplex, the Eastern Part of the Bureya Continental Massif, Central Asian Fold Belt: Age, Geochemical Features, and Geodynamic Interpretations</title><author>Guryanov, V. A. ; Nigai, E. V. ; Yurchenko, Yu. Yu ; Arkhipov, M. V. ; Amelin, S. A. ; Arapov, V. N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1839-12b40c9b1043326399771a7c5d2c09242b2e9d23d27edfbb97f0ed79a8706d083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Composition</topic><topic>Continental margins</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Isotopes</topic><topic>Rock</topic><topic>Rocks</topic><topic>Subduction</topic><topic>Triassic</topic><topic>Zircon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guryanov, V. A.</creatorcontrib><creatorcontrib>Nigai, E. V.</creatorcontrib><creatorcontrib>Yurchenko, Yu. Yu</creatorcontrib><creatorcontrib>Arkhipov, M. V.</creatorcontrib><creatorcontrib>Amelin, S. A.</creatorcontrib><creatorcontrib>Arapov, V. N.</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Russian journal of Pacific geology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guryanov, V. A.</au><au>Nigai, E. V.</au><au>Yurchenko, Yu. Yu</au><au>Arkhipov, M. V.</au><au>Amelin, S. A.</au><au>Arapov, V. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Granitoids of the Altakhta Сomplex, the Eastern Part of the Bureya Continental Massif, Central Asian Fold Belt: Age, Geochemical Features, and Geodynamic Interpretations</atitle><jtitle>Russian journal of Pacific geology</jtitle><stitle>Russ. J. of Pac. Geol</stitle><date>2021-07-01</date><risdate>2021</risdate><volume>15</volume><issue>4</issue><spage>325</spage><epage>344</epage><pages>325-344</pages><issn>1819-7140</issn><eissn>1819-7159</eissn><abstract>New data are reported on the age, composition, and formation conditions of the Late Triassic granitoids of minor intrusions from the eastern part of the Bureya continental massif of the Central Asian fold belt, and their geodynamic interpretation is given. U–Pb geochronological zircon studies indicate that the rocks of the Altakhta syenite–leucogranite complex were formed in two phases within 235–224 Ma. The first phase (235.3 ± 2.9–230 Ma) was responsible for the formation of magmatic rocks that are similar to the А
1
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2
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| subjects | Composition Continental margins Earth and Environmental Science Earth Sciences Geochemistry Geology Isotopes Rock Rocks Subduction Triassic Zircon |
| title | Granitoids of the Altakhta Сomplex, the Eastern Part of the Bureya Continental Massif, Central Asian Fold Belt: Age, Geochemical Features, and Geodynamic Interpretations |
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