Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China

The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on or...
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Autor*in:	Li, Chenglu [verfasserIn] Deng, Changzhou [verfasserIn] Li, Shengrong [verfasserIn] Yuan, Maowen [verfasserIn] Alam, Masroor [verfasserIn] Liu, Baoshan [verfasserIn] Zhao, Zhonghai [verfasserIn] Li, Wenlong [verfasserIn] Yang, Yuanjiang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis

Übergeordnetes Werk:	Enthalten in: Ore geology reviews - Amsterdam [u.a.] : Elsevier, 1986, 133
Übergeordnetes Werk:	volume:133

DOI / URN:	10.1016/j.oregeorev.2021.104083

Katalog-ID:	ELV005888107

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520			\|a The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean.
650		4	\|a Xing’an-Mongolia Orogenic Belt
650		4	\|a Geochronology
650		4	\|a Orogenic Au deposit
650		4	\|a Ore genesis
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700	1		\|a Li, Shengrong \|e verfasserin \|4 aut
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700	1		\|a Liu, Baoshan \|e verfasserin \|4 aut
700	1		\|a Zhao, Zhonghai \|e verfasserin \|4 aut
700	1		\|a Li, Wenlong \|e verfasserin \|4 aut
700	1		\|a Yang, Yuanjiang \|e verfasserin \|4 aut
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allfields	10.1016/j.oregeorev.2021.104083 doi (DE-627)ELV005888107 (ELSEVIER)S0169-1368(21)00108-6 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Chenglu verfasserin aut Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean. Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis Deng, Changzhou verfasserin aut Li, Shengrong verfasserin aut Yuan, Maowen verfasserin aut Alam, Masroor verfasserin aut Liu, Baoshan verfasserin aut Zhao, Zhonghai verfasserin aut Li, Wenlong verfasserin aut Yang, Yuanjiang verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 133 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:133 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.52 Geologie der Erze 57.20 Exploration und Prospektion von Bodenschätzen AR 133
spelling	10.1016/j.oregeorev.2021.104083 doi (DE-627)ELV005888107 (ELSEVIER)S0169-1368(21)00108-6 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Chenglu verfasserin aut Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean. Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis Deng, Changzhou verfasserin aut Li, Shengrong verfasserin aut Yuan, Maowen verfasserin aut Alam, Masroor verfasserin aut Liu, Baoshan verfasserin aut Zhao, Zhonghai verfasserin aut Li, Wenlong verfasserin aut Yang, Yuanjiang verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 133 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:133 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.52 Geologie der Erze 57.20 Exploration und Prospektion von Bodenschätzen AR 133
allfields_unstemmed	10.1016/j.oregeorev.2021.104083 doi (DE-627)ELV005888107 (ELSEVIER)S0169-1368(21)00108-6 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Chenglu verfasserin aut Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean. Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis Deng, Changzhou verfasserin aut Li, Shengrong verfasserin aut Yuan, Maowen verfasserin aut Alam, Masroor verfasserin aut Liu, Baoshan verfasserin aut Zhao, Zhonghai verfasserin aut Li, Wenlong verfasserin aut Yang, Yuanjiang verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 133 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:133 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.52 Geologie der Erze 57.20 Exploration und Prospektion von Bodenschätzen AR 133
allfieldsGer	10.1016/j.oregeorev.2021.104083 doi (DE-627)ELV005888107 (ELSEVIER)S0169-1368(21)00108-6 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Chenglu verfasserin aut Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean. Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis Deng, Changzhou verfasserin aut Li, Shengrong verfasserin aut Yuan, Maowen verfasserin aut Alam, Masroor verfasserin aut Liu, Baoshan verfasserin aut Zhao, Zhonghai verfasserin aut Li, Wenlong verfasserin aut Yang, Yuanjiang verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 133 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:133 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.52 Geologie der Erze 57.20 Exploration und Prospektion von Bodenschätzen AR 133
allfieldsSound	10.1016/j.oregeorev.2021.104083 doi (DE-627)ELV005888107 (ELSEVIER)S0169-1368(21)00108-6 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Chenglu verfasserin aut Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean. Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis Deng, Changzhou verfasserin aut Li, Shengrong verfasserin aut Yuan, Maowen verfasserin aut Alam, Masroor verfasserin aut Liu, Baoshan verfasserin aut Zhao, Zhonghai verfasserin aut Li, Wenlong verfasserin aut Yang, Yuanjiang verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 133 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:133 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.52 Geologie der Erze 57.20 Exploration und Prospektion von Bodenschätzen AR 133
language	English
source	Enthalten in Ore geology reviews 133 volume:133
sourceStr	Enthalten in Ore geology reviews 133 volume:133
format_phy_str_mv	Article
bklname	Geologie der Erze Exploration und Prospektion von Bodenschätzen
institution	findex.gbv.de
topic_facet	Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis
dewey-raw	550
isfreeaccess_bool	false
container_title	Ore geology reviews
authorswithroles_txt_mv	Li, Chenglu @@aut@@ Deng, Changzhou @@aut@@ Li, Shengrong @@aut@@ Yuan, Maowen @@aut@@ Alam, Masroor @@aut@@ Liu, Baoshan @@aut@@ Zhao, Zhonghai @@aut@@ Li, Wenlong @@aut@@ Yang, Yuanjiang @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	32461635X
dewey-sort	3550
id	ELV005888107
language_de	englisch
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author	Li, Chenglu
spellingShingle	Li, Chenglu ddc 550 bkl 38.52 bkl 57.20 misc Xing’an-Mongolia Orogenic Belt misc Geochronology misc Orogenic Au deposit misc Ore genesis Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China
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topic_title	550 DE-600 38.52 bkl 57.20 bkl Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China Xing’an-Mongolia Orogenic Belt Geochronology Orogenic Au deposit Ore genesis
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title	Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China
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title_full	Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China
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author_browse	Li, Chenglu Deng, Changzhou Li, Shengrong Yuan, Maowen Alam, Masroor Liu, Baoshan Zhao, Zhonghai Li, Wenlong Yang, Yuanjiang
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title_sort	geochronology and genesis of the newly discovered mengdehe orogenic-type au deposit in the xing’an-mongolia orogenic belt, ne china
title_auth	Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China
abstract	The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean.
abstractGer	The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean.
abstract_unstemmed	The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean.
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title_short	Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China
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author2	Deng, Changzhou Li, Shengrong Yuan, Maowen Alam, Masroor Liu, Baoshan Zhao, Zhonghai Li, Wenlong Yang, Yuanjiang
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doi_str	10.1016/j.oregeorev.2021.104083
up_date	2024-07-06T19:30:26.583Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV005888107</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524132559.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230504s2021 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.oregeorev.2021.104083</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV005888107</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0169-1368(21)00108-6</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">38.52</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">57.20</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Li, Chenglu</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The Xing’an-Mongolia Orogenic Belt (XMOB) is a tectonic window to understand the subduction-orogenesis-magmatism and corresponding Au mineralization during the Mesozoic. Although epithermal gold mineralization associated with Paleo-oceanic plate subduction has been widely reported, information on orogenic Au metallogenesis during this period is insufficient. Geochronology and genesis study of the newly discovered orognenic Au deposit named as Mengdehe located at the Heihe-Nenjiang tectonic mélange in the eastern XMOB, can provide new information about regional metallogenetic mechanisms in this region. The Mengdehe Au deposit is the first discovered mylonitic rocks-hosted and brittle-ductile shear zone-dominated Au deposit in this area. Magmatic zircon U-Pb ages from the granitic mylonite and undeformed diorite in the Mengdehe deposit constrain that the strike-slip event probably has happened between 245.8 and 208.0 Ma. Rb-Sr dating of hydrothermal pyrites from the ore-bearing altered rocks indicates that Au mineralization occurred at 209.6 ± 3.1 Ma. We consider that the Mengdehe Au deposit was formed in the Late Triassic and associated with a strike-slip event. The trace elements, and He-Ar, S and Pb isotopic compositions of the ore-forming stage pyrites suggest that the ore-forming materials were derived from crustal sources with orogenic affinity. Combined with the early Mesozoic regional tectonic evolution in NE China and deformation characteristics of wall rocks, hydrothermal minerals and diorites, we conclude that the Au mineralization of the Mengdehe deposit was in response to the tectonic transformation from compression to extension associated with the extensional collapse of a previous thickened continental lithosphere related to the final closure of the Paleo-Asian Ocean.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Xing’an-Mongolia Orogenic Belt</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Geochronology</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Orogenic Au deposit</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ore genesis</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Deng, Changzhou</subfield><subfield code="e">verfasserin</subfield><subfield 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Geochronology and genesis of the newly discovered Mengdehe orogenic-type Au deposit in the Xing’an-Mongolia orogenic Belt, NE China

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