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Timing of formation of the Hongdonggou Pb-Zn polymetallic ore deposit, Henan Province, China: Evidence from Rb-Sr isotopic dating of sphalerites
The Hongdonggou Pb-Zn polymetallic ore deposit, located in the southwestern part of the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore mineralization in Henan Province, China, is an important part of the East Qinling metallogenic belt. The orebodies in the deposit, which are vein, bedded and lenticular, a...
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Published in: | Di xue qian yuan. 2017-05, Vol.8 (3), p.605-616 |
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description | The Hongdonggou Pb-Zn polymetallic ore deposit, located in the southwestern part of the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore mineralization in Henan Province, China, is an important part of the East Qinling metallogenic belt. The orebodies in the deposit, which are vein, bedded and lenticular, are mainly hosted in the syenite porphyry, and formed within the carbonate and clastic rocks of the Yuku and Qiumugou formations partially. The genesis of the deposit has previously been argued to be of hydrothermal-vein type or of skarn-hydrothermal type. In this study, we report the results of Rb-Sr isotopic dating based on sphalerites from the main orebody of the Hongdonggou Pb-Zn polymetallic ore deposit, which yield an isochron age of 135.7 ± 3.2 Ma, constraining the timing of mineralization as early Cretaceous. The age is close to those reported for the Pb-Zn deposits in the Luanchuan ore belt. The (87Sr/86Sr)i values of the sphalerites (0.71127± 0.00010) are lower than that of terrigenous silicates (0.720) and higher than the mantle (0.707), suggesting that the metallogenic components were mainly derived through crust-mantle mixing. Combining the results from this study with those from previous work, we propose that the Hongdonggou Pb-Zn polymetallic ore deposit is a hydrothermal-vein deposit associated with the early Cretaceous tectonothermal event, and the mineralization is controlled by NW- and near EW-trending faults in the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore concentration belt. |
doi_str_mv | 10.1016/j.gsf.2016.06.001 |
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The orebodies in the deposit, which are vein, bedded and lenticular, are mainly hosted in the syenite porphyry, and formed within the carbonate and clastic rocks of the Yuku and Qiumugou formations partially. The genesis of the deposit has previously been argued to be of hydrothermal-vein type or of skarn-hydrothermal type. In this study, we report the results of Rb-Sr isotopic dating based on sphalerites from the main orebody of the Hongdonggou Pb-Zn polymetallic ore deposit, which yield an isochron age of 135.7 ± 3.2 Ma, constraining the timing of mineralization as early Cretaceous. The age is close to those reported for the Pb-Zn deposits in the Luanchuan ore belt. The (87Sr/86Sr)i values of the sphalerites (0.71127± 0.00010) are lower than that of terrigenous silicates (0.720) and higher than the mantle (0.707), suggesting that the metallogenic components were mainly derived through crust-mantle mixing. Combining the results from this study with those from previous work, we propose that the Hongdonggou Pb-Zn polymetallic ore deposit is a hydrothermal-vein deposit associated with the early Cretaceous tectonothermal event, and the mineralization is controlled by NW- and near EW-trending faults in the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore concentration belt.</description><identifier>ISSN: 1674-9871</identifier><identifier>EISSN: 2588-9192</identifier><identifier>DOI: 10.1016/j.gsf.2016.06.001</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Beneficiation ; Chronology ; Crust-mantle interaction ; Lead ; Luanchuan ore belt ; Mantle ; Metallogeny ; Mineral deposits ; Mineralization ; Pb-Zn deposit ; Silicates ; Silver ; Sphalerite Rb-Sr geochronology ; Strontium 87 ; Studies ; Syenite ; Zinc</subject><ispartof>Di xue qian yuan., 2017-05, Vol.8 (3), p.605-616</ispartof><rights>2016 China University of Geosciences (Beijing) and Peking University</rights><rights>Copyright Elsevier Science Ltd. May 2017</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-c427t-3a43643a4fb201d49a880273e5ee670de46d917fc1a1497c47fc0a15db794aae3</citedby><cites>FETCH-LOGICAL-c427t-3a43643a4fb201d49a880273e5ee670de46d917fc1a1497c47fc0a15db794aae3</cites><orcidid>0000-0002-1518-2527</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/71129X/71129X.jpg</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Yang, Fan</creatorcontrib><creatorcontrib>Wang, Gongwen</creatorcontrib><creatorcontrib>Cao, Huawen</creatorcontrib><creatorcontrib>Li, Ruixi</creatorcontrib><creatorcontrib>Tang, Li</creatorcontrib><creatorcontrib>Huang, Yufeng</creatorcontrib><creatorcontrib>Zhang, Hao</creatorcontrib><creatorcontrib>Xue, Fei</creatorcontrib><creatorcontrib>Jia, Wenjuan</creatorcontrib><creatorcontrib>Guo, Nana</creatorcontrib><title>Timing of formation of the Hongdonggou Pb-Zn polymetallic ore deposit, Henan Province, China: Evidence from Rb-Sr isotopic dating of sphalerites</title><title>Di xue qian yuan.</title><addtitle>Geoscience Frontiers</addtitle><description>The Hongdonggou Pb-Zn polymetallic ore deposit, located in the southwestern part of the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore mineralization in Henan Province, China, is an important part of the East Qinling metallogenic belt. The orebodies in the deposit, which are vein, bedded and lenticular, are mainly hosted in the syenite porphyry, and formed within the carbonate and clastic rocks of the Yuku and Qiumugou formations partially. The genesis of the deposit has previously been argued to be of hydrothermal-vein type or of skarn-hydrothermal type. In this study, we report the results of Rb-Sr isotopic dating based on sphalerites from the main orebody of the Hongdonggou Pb-Zn polymetallic ore deposit, which yield an isochron age of 135.7 ± 3.2 Ma, constraining the timing of mineralization as early Cretaceous. The age is close to those reported for the Pb-Zn deposits in the Luanchuan ore belt. The (87Sr/86Sr)i values of the sphalerites (0.71127± 0.00010) are lower than that of terrigenous silicates (0.720) and higher than the mantle (0.707), suggesting that the metallogenic components were mainly derived through crust-mantle mixing. Combining the results from this study with those from previous work, we propose that the Hongdonggou Pb-Zn polymetallic ore deposit is a hydrothermal-vein deposit associated with the early Cretaceous tectonothermal event, and the mineralization is controlled by NW- and near EW-trending faults in the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore concentration belt.</description><subject>Beneficiation</subject><subject>Chronology</subject><subject>Crust-mantle interaction</subject><subject>Lead</subject><subject>Luanchuan ore belt</subject><subject>Mantle</subject><subject>Metallogeny</subject><subject>Mineral deposits</subject><subject>Mineralization</subject><subject>Pb-Zn deposit</subject><subject>Silicates</subject><subject>Silver</subject><subject>Sphalerite Rb-Sr geochronology</subject><subject>Strontium 87</subject><subject>Studies</subject><subject>Syenite</subject><subject>Zinc</subject><issn>1674-9871</issn><issn>2588-9192</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9UcGO0zAQjRBIVMt-ADcLDlw2xXacOBEnVC0UaSVWsFy4WG48SV0ldmq7hf7GHvdb-Cd-gamyghvWeDwevZmnmZdlLxldMsqqt7tlH7slx3BJ0Sh7ki14Wdd5wxr-NFuwSoq8qSV7nl3GuKN4pKylpIvs_s6O1vXEd6TzYdTJenf-pC2QtXe9wdv7A7nd5N8dmfxwGiHpYbAt8QGIgclHm67IGpx25Db4o3UtXJHV1jr9-9cDuT5aA5giXfAj-bLJvwZio09-whYG-WbyOG31AMEmiC-yZ50eIlw-vhfZtw_Xd6t1fvP546fV-5u8FVymvNCiqAT6boOTG9HouqZcFlACVJIaEJVpmOxapploZCswpJqVZiMboTUUF9mbue8P7TrterXzh-CQUZmf-5MC7CppgQ6Rr2fkFPz-ADH9g3IqKsrLsuKIYjOqDT7GAJ2agh11OClG1VkntVOokzrrpCgaZVjzbq4BHPRoIajY2vO6jA3QJmW8_W_1q0fGLcq0x1X-pawkp1QILoo_hMKn3w</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Yang, Fan</creator><creator>Wang, Gongwen</creator><creator>Cao, Huawen</creator><creator>Li, Ruixi</creator><creator>Tang, Li</creator><creator>Huang, Yufeng</creator><creator>Zhang, Hao</creator><creator>Xue, Fei</creator><creator>Jia, Wenjuan</creator><creator>Guo, Nana</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><general>School of Earth Sciences and Resources,China University of Geosciences Beijing,29 Xueyuan Road,Beijing 100083,China%Chengdu Center,China Geological Survey,Chengdu 610081,China%Luanchuan Bureau of Geology and Resources,Luoyang 417500,China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><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><orcidid>https://orcid.org/0000-0002-1518-2527</orcidid></search><sort><creationdate>20170501</creationdate><title>Timing of formation of the Hongdonggou Pb-Zn polymetallic ore deposit, Henan Province, China: Evidence from Rb-Sr isotopic dating of sphalerites</title><author>Yang, Fan ; 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The orebodies in the deposit, which are vein, bedded and lenticular, are mainly hosted in the syenite porphyry, and formed within the carbonate and clastic rocks of the Yuku and Qiumugou formations partially. The genesis of the deposit has previously been argued to be of hydrothermal-vein type or of skarn-hydrothermal type. In this study, we report the results of Rb-Sr isotopic dating based on sphalerites from the main orebody of the Hongdonggou Pb-Zn polymetallic ore deposit, which yield an isochron age of 135.7 ± 3.2 Ma, constraining the timing of mineralization as early Cretaceous. The age is close to those reported for the Pb-Zn deposits in the Luanchuan ore belt. The (87Sr/86Sr)i values of the sphalerites (0.71127± 0.00010) are lower than that of terrigenous silicates (0.720) and higher than the mantle (0.707), suggesting that the metallogenic components were mainly derived through crust-mantle mixing. Combining the results from this study with those from previous work, we propose that the Hongdonggou Pb-Zn polymetallic ore deposit is a hydrothermal-vein deposit associated with the early Cretaceous tectonothermal event, and the mineralization is controlled by NW- and near EW-trending faults in the Luanchuan Mo-W-Pb-Zn-Ag polymetallic ore concentration belt.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.gsf.2016.06.001</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-1518-2527</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Beneficiation Chronology Crust-mantle interaction Lead Luanchuan ore belt Mantle Metallogeny Mineral deposits Mineralization Pb-Zn deposit Silicates Silver Sphalerite Rb-Sr geochronology Strontium 87 Studies Syenite Zinc |
title | Timing of formation of the Hongdonggou Pb-Zn polymetallic ore deposit, Henan Province, China: Evidence from Rb-Sr isotopic dating of sphalerites |
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