First Age and Geochemical Data on Zircon from Riebeckite Granites of the Verkhnee Espe Rare Earth–Rare Metal Deposit, East Kazakhstan
This paper is dedicated to the isotope-geochemical study of zircon from riebeckite granites of the Verkhnee Espe rare earth-rare metal deposit and the specification of its U–Pb age. Zircon from the Verkhnee Espe massif is peculiar in the high content of non-formula elements (up to 43000 ppm REE, up...
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creator | Levashova, E. V. Skublov, S. G. Oitseva, T. A. Dyachkov, B. A. Li, X.-H. Li, Q.-L. Shatova, N. V. Shatov, V. V. |
description | This paper is dedicated to the isotope-geochemical study of zircon from riebeckite granites of the Verkhnee Espe rare earth-rare metal deposit and the specification of its U–Pb age. Zircon from the Verkhnee Espe massif is peculiar in the high content of non-formula elements (up to 43000 ppm REE, up to 22000 Y, and others) and demonstrates a clearly expressed heterogeneous structure. The central and rim zones of the zircon show a “magmatic” rare-earth element (REE) distribution. The intermediate zones are characterized by a flattening of the REE patterns and an anomalous enrichment in REE, Y, Nb, and Ca. This compositional feature of the zircon may be caused by impact of fluid-saturated granite melts enriched in incompatible trace elements. The δ
18
О values in the zircon are 5.83–7.16‰, which generally corresponds to zircon formed from granitoid melts. The age of zircon from the Verkhnee Espe rare earth–rare metal deposit is 283 ± 3 Ma, which indicates that there is no significant age gap between granite crystallization, on the one hand, and metasomatic processes and ore generation, on the other. |
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18
О values in the zircon are 5.83–7.16‰, which generally corresponds to zircon formed from granitoid melts. The age of zircon from the Verkhnee Espe rare earth–rare metal deposit is 283 ± 3 Ma, which indicates that there is no significant age gap between granite crystallization, on the one hand, and metasomatic processes and ore generation, on the other.</description><identifier>ISSN: 0016-7029</identifier><identifier>EISSN: 1556-1968</identifier><identifier>DOI: 10.1134/S0016702922010086</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Age ; Asbestos ; Crystallization ; Earth ; Earth and Environmental Science ; Earth Sciences ; Geochemistry ; Granite ; Heavy metals ; Heterogeneous structure ; Isotopes ; Massifs ; Melts ; Radiometric dating ; Rare earth elements ; Rare earth metals ; Trace elements ; Yttrium ; Zircon</subject><ispartof>Geochemistry international, 2022, Vol.60 (1), p.1-15</ispartof><rights>The Author(s) 2022. ISSN 0016-7029, Geochemistry International, 2022, Vol. 60, No. 1, pp. 1–15. © The Author(s), 2022. This article is an open access publication. Russian Text © The Author(s), 2022, published in Geokhimiya, 2022, Vol. 67, No. 1, pp. 3–18.</rights><rights>COPYRIGHT 2022 Springer</rights><rights>The Author(s) 2022. ISSN 0016-7029, Geochemistry International, 2022, Vol. 60, No. 1, pp. 1–15. © The Author(s), 2022. This article is an open access publication. Russian Text © The Author(s), 2022, published in Geokhimiya, 2022, Vol. 67, No. 1, pp. 3–18. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a421t-53ff71338a80b606904ce3189fd819fb44e76938a180c1fd0ae379b2ab7a4c0d3</citedby><cites>FETCH-LOGICAL-a421t-53ff71338a80b606904ce3189fd819fb44e76938a180c1fd0ae379b2ab7a4c0d3</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/S0016702922010086$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0016702922010086$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Levashova, E. V.</creatorcontrib><creatorcontrib>Skublov, S. G.</creatorcontrib><creatorcontrib>Oitseva, T. A.</creatorcontrib><creatorcontrib>Dyachkov, B. A.</creatorcontrib><creatorcontrib>Li, X.-H.</creatorcontrib><creatorcontrib>Li, Q.-L.</creatorcontrib><creatorcontrib>Shatova, N. V.</creatorcontrib><creatorcontrib>Shatov, V. V.</creatorcontrib><title>First Age and Geochemical Data on Zircon from Riebeckite Granites of the Verkhnee Espe Rare Earth–Rare Metal Deposit, East Kazakhstan</title><title>Geochemistry international</title><addtitle>Geochem. Int</addtitle><description>This paper is dedicated to the isotope-geochemical study of zircon from riebeckite granites of the Verkhnee Espe rare earth-rare metal deposit and the specification of its U–Pb age. Zircon from the Verkhnee Espe massif is peculiar in the high content of non-formula elements (up to 43000 ppm REE, up to 22000 Y, and others) and demonstrates a clearly expressed heterogeneous structure. The central and rim zones of the zircon show a “magmatic” rare-earth element (REE) distribution. The intermediate zones are characterized by a flattening of the REE patterns and an anomalous enrichment in REE, Y, Nb, and Ca. This compositional feature of the zircon may be caused by impact of fluid-saturated granite melts enriched in incompatible trace elements. The δ
18
О values in the zircon are 5.83–7.16‰, which generally corresponds to zircon formed from granitoid melts. The age of zircon from the Verkhnee Espe rare earth–rare metal deposit is 283 ± 3 Ma, which indicates that there is no significant age gap between granite crystallization, on the one hand, and metasomatic processes and ore generation, on the other.</description><subject>Age</subject><subject>Asbestos</subject><subject>Crystallization</subject><subject>Earth</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geochemistry</subject><subject>Granite</subject><subject>Heavy metals</subject><subject>Heterogeneous structure</subject><subject>Isotopes</subject><subject>Massifs</subject><subject>Melts</subject><subject>Radiometric dating</subject><subject>Rare earth elements</subject><subject>Rare earth metals</subject><subject>Trace elements</subject><subject>Yttrium</subject><subject>Zircon</subject><issn>0016-7029</issn><issn>1556-1968</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp1kcFu1DAQhiMEEkvhAbhZ4kraseM48XFV2i1qEVILHLhEk2S8cXfXXmz3ACduPABv2CfBYZE4VJUPv-3__2YsT1G85nDMeSVPbgC4akBoIYADtOpJseB1rUquVfu0WMx2OfvPixcx3gJIWelmUfw6tyEmtlwTQzeyFflhop0dcMveYULmHftqw5DFBL9j15Z6GjY2EVsFdFkj84alidgXCpvJEbGzuCd2jSHvMKTp_ufvv4cPlOaitPfRprfZy20v8QduppjQvSyeGdxGevVPj4rP52efTi_Kq4-r96fLqxKl4KmsK2MaXlUtttArUBrkQBVvtRlbrk0vJTVKZ5u3MHAzAlLV6F5g36AcYKyOijeHuvvgv91RTN2tvwsut-yEElpCq6HOqeNDao1b6qwzPgUc8hrnv_GOjM33ywZULRsh2wzwAzAEH2Mg0-2D3WH43nHo5gF1DwaUGXFgYs66NYX_T3kc-gMpN5Hp</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>Levashova, E. 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A.</au><au>Dyachkov, B. A.</au><au>Li, X.-H.</au><au>Li, Q.-L.</au><au>Shatova, N. V.</au><au>Shatov, V. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First Age and Geochemical Data on Zircon from Riebeckite Granites of the Verkhnee Espe Rare Earth–Rare Metal Deposit, East Kazakhstan</atitle><jtitle>Geochemistry international</jtitle><stitle>Geochem. Int</stitle><date>2022</date><risdate>2022</risdate><volume>60</volume><issue>1</issue><spage>1</spage><epage>15</epage><pages>1-15</pages><issn>0016-7029</issn><eissn>1556-1968</eissn><abstract>This paper is dedicated to the isotope-geochemical study of zircon from riebeckite granites of the Verkhnee Espe rare earth-rare metal deposit and the specification of its U–Pb age. Zircon from the Verkhnee Espe massif is peculiar in the high content of non-formula elements (up to 43000 ppm REE, up to 22000 Y, and others) and demonstrates a clearly expressed heterogeneous structure. The central and rim zones of the zircon show a “magmatic” rare-earth element (REE) distribution. The intermediate zones are characterized by a flattening of the REE patterns and an anomalous enrichment in REE, Y, Nb, and Ca. This compositional feature of the zircon may be caused by impact of fluid-saturated granite melts enriched in incompatible trace elements. The δ
18
О values in the zircon are 5.83–7.16‰, which generally corresponds to zircon formed from granitoid melts. The age of zircon from the Verkhnee Espe rare earth–rare metal deposit is 283 ± 3 Ma, which indicates that there is no significant age gap between granite crystallization, on the one hand, and metasomatic processes and ore generation, on the other.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0016702922010086</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Age Asbestos Crystallization Earth Earth and Environmental Science Earth Sciences Geochemistry Granite Heavy metals Heterogeneous structure Isotopes Massifs Melts Radiometric dating Rare earth elements Rare earth metals Trace elements Yttrium Zircon |
title | First Age and Geochemical Data on Zircon from Riebeckite Granites of the Verkhnee Espe Rare Earth–Rare Metal Deposit, East Kazakhstan |
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