Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China

The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending an...
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Autor*in:	Zong-Yang Gou [verfasserIn] Hao-Cheng Yu [verfasserIn] Kun-Feng Qiu [verfasserIn] Jian-Zhen Geng [verfasserIn] Ming-Qian Wu [verfasserIn] Yong-Gang Wang [verfasserIn] Ming-Hai Yu [verfasserIn] Jun Li [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling

Übergeordnetes Werk:	In: Minerals - MDPI AG, 2012, 9(2019), 2, p 76
Übergeordnetes Werk:	volume:9 ; year:2019 ; number:2, p 76

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/min9020076

Katalog-ID:	DOAJ036325899

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520			\|a The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean.
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allfields	10.3390/min9020076 doi (DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603 DE-627 ger DE-627 rakwb eng QE351-399.2 Zong-Yang Gou verfasserin aut Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean. geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy Hao-Cheng Yu verfasserin aut Kun-Feng Qiu verfasserin aut Jian-Zhen Geng verfasserin aut Ming-Qian Wu verfasserin aut Yong-Gang Wang verfasserin aut Ming-Hai Yu verfasserin aut Jun Li verfasserin aut In Minerals MDPI AG, 2012 9(2019), 2, p 76 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:9 year:2019 number:2, p 76 https://doi.org/10.3390/min9020076 kostenfrei https://doaj.org/article/bcfc5090020b471c90898848eafd6603 kostenfrei https://www.mdpi.com/2075-163X/9/2/76 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 76
spelling	10.3390/min9020076 doi (DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603 DE-627 ger DE-627 rakwb eng QE351-399.2 Zong-Yang Gou verfasserin aut Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean. geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy Hao-Cheng Yu verfasserin aut Kun-Feng Qiu verfasserin aut Jian-Zhen Geng verfasserin aut Ming-Qian Wu verfasserin aut Yong-Gang Wang verfasserin aut Ming-Hai Yu verfasserin aut Jun Li verfasserin aut In Minerals MDPI AG, 2012 9(2019), 2, p 76 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:9 year:2019 number:2, p 76 https://doi.org/10.3390/min9020076 kostenfrei https://doaj.org/article/bcfc5090020b471c90898848eafd6603 kostenfrei https://www.mdpi.com/2075-163X/9/2/76 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 76
allfields_unstemmed	10.3390/min9020076 doi (DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603 DE-627 ger DE-627 rakwb eng QE351-399.2 Zong-Yang Gou verfasserin aut Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean. geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy Hao-Cheng Yu verfasserin aut Kun-Feng Qiu verfasserin aut Jian-Zhen Geng verfasserin aut Ming-Qian Wu verfasserin aut Yong-Gang Wang verfasserin aut Ming-Hai Yu verfasserin aut Jun Li verfasserin aut In Minerals MDPI AG, 2012 9(2019), 2, p 76 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:9 year:2019 number:2, p 76 https://doi.org/10.3390/min9020076 kostenfrei https://doaj.org/article/bcfc5090020b471c90898848eafd6603 kostenfrei https://www.mdpi.com/2075-163X/9/2/76 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 76
allfieldsGer	10.3390/min9020076 doi (DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603 DE-627 ger DE-627 rakwb eng QE351-399.2 Zong-Yang Gou verfasserin aut Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean. geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy Hao-Cheng Yu verfasserin aut Kun-Feng Qiu verfasserin aut Jian-Zhen Geng verfasserin aut Ming-Qian Wu verfasserin aut Yong-Gang Wang verfasserin aut Ming-Hai Yu verfasserin aut Jun Li verfasserin aut In Minerals MDPI AG, 2012 9(2019), 2, p 76 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:9 year:2019 number:2, p 76 https://doi.org/10.3390/min9020076 kostenfrei https://doaj.org/article/bcfc5090020b471c90898848eafd6603 kostenfrei https://www.mdpi.com/2075-163X/9/2/76 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 76
allfieldsSound	10.3390/min9020076 doi (DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603 DE-627 ger DE-627 rakwb eng QE351-399.2 Zong-Yang Gou verfasserin aut Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean. geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy Hao-Cheng Yu verfasserin aut Kun-Feng Qiu verfasserin aut Jian-Zhen Geng verfasserin aut Ming-Qian Wu verfasserin aut Yong-Gang Wang verfasserin aut Ming-Hai Yu verfasserin aut Jun Li verfasserin aut In Minerals MDPI AG, 2012 9(2019), 2, p 76 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:9 year:2019 number:2, p 76 https://doi.org/10.3390/min9020076 kostenfrei https://doaj.org/article/bcfc5090020b471c90898848eafd6603 kostenfrei https://www.mdpi.com/2075-163X/9/2/76 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 76
language	English
source	In Minerals 9(2019), 2, p 76 volume:9 year:2019 number:2, p 76
sourceStr	In Minerals 9(2019), 2, p 76 volume:9 year:2019 number:2, p 76
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling Mineralogy
isfreeaccess_bool	true
container_title	Minerals
authorswithroles_txt_mv	Zong-Yang Gou @@aut@@ Hao-Cheng Yu @@aut@@ Kun-Feng Qiu @@aut@@ Jian-Zhen Geng @@aut@@ Ming-Qian Wu @@aut@@ Yong-Gang Wang @@aut@@ Ming-Hai Yu @@aut@@ Jun Li @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	689132069
id	DOAJ036325899
language_de	englisch
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callnumber-first	Q - Science
author	Zong-Yang Gou
spellingShingle	Zong-Yang Gou misc QE351-399.2 misc geochronology misc Hf isotopes misc petrogenesis misc paleo-Tethyan ocean closure misc Zaorendao gold deposit misc West Qinling misc Mineralogy Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China
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topic_title	QE351-399.2 Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China geochronology Hf isotopes petrogenesis paleo-Tethyan ocean closure Zaorendao gold deposit West Qinling
topic	misc QE351-399.2 misc geochronology misc Hf isotopes misc petrogenesis misc paleo-Tethyan ocean closure misc Zaorendao gold deposit misc West Qinling misc Mineralogy
topic_unstemmed	misc QE351-399.2 misc geochronology misc Hf isotopes misc petrogenesis misc paleo-Tethyan ocean closure misc Zaorendao gold deposit misc West Qinling misc Mineralogy
topic_browse	misc QE351-399.2 misc geochronology misc Hf isotopes misc petrogenesis misc paleo-Tethyan ocean closure misc Zaorendao gold deposit misc West Qinling misc Mineralogy
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title	Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China
ctrlnum	(DE-627)DOAJ036325899 (DE-599)DOAJbcfc5090020b471c90898848eafd6603
title_full	Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China
author_sort	Zong-Yang Gou
journal	Minerals
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author_browse	Zong-Yang Gou Hao-Cheng Yu Kun-Feng Qiu Jian-Zhen Geng Ming-Qian Wu Yong-Gang Wang Ming-Hai Yu Jun Li
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author-letter	Zong-Yang Gou
doi_str_mv	10.3390/min9020076
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title_sort	petrogenesis of ore-hosting diorite in the zaorendao gold deposit at the tongren-xiahe-hezuo polymetallic district, west qinling, china
callnumber	QE351-399.2
title_auth	Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China
abstract	The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean.
abstractGer	The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean.
abstract_unstemmed	The newly discovered Zaorendao gold deposit is in the Tongren-Xiahe-Hezuo polymetallic district in the westernmost West Qinling orogenic belt. The estimated pre-mining resource is approximately 13.6 t of Au at an average grade of 3.02 g/t. Mineralization is predominantly controlled by NW-trending and EW-trending faults within diorite intrusions and surrounding sedimentary rocks. In the present study, in situ zircon U⁻Pb geochronology and Lu⁻Hf isotopic analyses of the ore-hosting diorite at Zaorendao were measured using LA-ICP-MS. The data suggest that the diorite was emplaced at ca. 246.5 ± 1.9 Ma. The large variation of zircon Hf isotopic composition (ɛ<sub<Hf</sub<(t) values ranging from −12.0 to −1.8) indicates a two-stage model age (T<sub<DM2</sub<) that ranges from 1.4 Ga to 2.0 Ga. Such Lu⁻Hf isotopic compositions indicate that the diorite was dominantly derived from a Paleo- to Meso-Proterozoic continental crust. The wide range of ε<sub<Hf</sub<(t) and the presence of inherited zircon can be interpreted to suggest the mixing of Paleo- to Meso-Proterozoic continental crust with a mantle component. Combining such characteristics with the geochemistry of coeval rocks that are associated with the diorite, we therefore proposed that the gold-hosting Triassic diorite in the Zaorendao gold deposit formed in an active continental margin that was associated with the northward subduction of the paleo-Tethyan ocean.
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container_issue	2, p 76
title_short	Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China
url	https://doi.org/10.3390/min9020076 https://doaj.org/article/bcfc5090020b471c90898848eafd6603 https://www.mdpi.com/2075-163X/9/2/76 https://doaj.org/toc/2075-163X
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up_date	2024-07-03T19:57:11.662Z
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Petrogenesis of Ore-Hosting Diorite in the Zaorendao Gold Deposit at the Tongren-Xiahe-Hezuo Polymetallic District, West Qinling, China

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