Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu

Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Deng, Changzhou [verfasserIn] Sun, Deyou [verfasserIn] Han, Jinsheng [verfasserIn] Chen, Huayong [verfasserIn] Li, Guanghui [verfasserIn] Xiao, Bing [verfasserIn] Li, Rucao [verfasserIn] Feng, Yuzhou [verfasserIn] Li, Chenglu [verfasserIn] Lu, Sheng [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction

Übergeordnetes Werk:	Enthalten in: Lithos - Amsterdam [u.a.] : Elsevier Science, 1968, 326, Seite 341-357
Übergeordnetes Werk:	volume:326 ; pages:341-357

DOI / URN:	10.1016/j.lithos.2018.12.030

Katalog-ID:	ELV001603396

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520			\|a Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block.
650		4	\|a Mongol–Okhotsk Ocean
650		4	\|a U–Pb ages
650		4	\|a Geochemistry
650		4	\|a Fukeshan Cu
650		4	\|a Ridge subduction
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700	1		\|a Li, Guanghui \|e verfasserin \|4 aut
700	1		\|a Xiao, Bing \|e verfasserin \|4 aut
700	1		\|a Li, Rucao \|e verfasserin \|4 aut
700	1		\|a Feng, Yuzhou \|e verfasserin \|4 aut
700	1		\|a Li, Chenglu \|e verfasserin \|4 aut
700	1		\|a Lu, Sheng \|e verfasserin \|4 aut
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publishDate	2018
allfields	10.1016/j.lithos.2018.12.030 doi (DE-627)ELV001603396 (ELSEVIER)S0024-4937(18)30492-4 DE-627 ger DE-627 rda eng 550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Deng, Changzhou verfasserin aut Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction Sun, Deyou verfasserin aut Han, Jinsheng verfasserin aut Chen, Huayong verfasserin aut Li, Guanghui verfasserin aut Xiao, Bing verfasserin aut Li, Rucao verfasserin aut Feng, Yuzhou verfasserin aut Li, Chenglu verfasserin aut Lu, Sheng verfasserin aut Enthalten in Lithos Amsterdam [u.a.] : Elsevier Science, 1968 326, Seite 341-357 Online-Ressource (DE-627)303393181 (DE-600)1494884-9 (DE-576)081952880 1872-6143 nnns volume:326 pages:341-357 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2336 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_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 38.25 Petrologie: Allgemeines 38.30 Mineralogie 38.32 Geochemie AR 326 341-357
spelling	10.1016/j.lithos.2018.12.030 doi (DE-627)ELV001603396 (ELSEVIER)S0024-4937(18)30492-4 DE-627 ger DE-627 rda eng 550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Deng, Changzhou verfasserin aut Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction Sun, Deyou verfasserin aut Han, Jinsheng verfasserin aut Chen, Huayong verfasserin aut Li, Guanghui verfasserin aut Xiao, Bing verfasserin aut Li, Rucao verfasserin aut Feng, Yuzhou verfasserin aut Li, Chenglu verfasserin aut Lu, Sheng verfasserin aut Enthalten in Lithos Amsterdam [u.a.] : Elsevier Science, 1968 326, Seite 341-357 Online-Ressource (DE-627)303393181 (DE-600)1494884-9 (DE-576)081952880 1872-6143 nnns volume:326 pages:341-357 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2336 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_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 38.25 Petrologie: Allgemeines 38.30 Mineralogie 38.32 Geochemie AR 326 341-357
allfields_unstemmed	10.1016/j.lithos.2018.12.030 doi (DE-627)ELV001603396 (ELSEVIER)S0024-4937(18)30492-4 DE-627 ger DE-627 rda eng 550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Deng, Changzhou verfasserin aut Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction Sun, Deyou verfasserin aut Han, Jinsheng verfasserin aut Chen, Huayong verfasserin aut Li, Guanghui verfasserin aut Xiao, Bing verfasserin aut Li, Rucao verfasserin aut Feng, Yuzhou verfasserin aut Li, Chenglu verfasserin aut Lu, Sheng verfasserin aut Enthalten in Lithos Amsterdam [u.a.] : Elsevier Science, 1968 326, Seite 341-357 Online-Ressource (DE-627)303393181 (DE-600)1494884-9 (DE-576)081952880 1872-6143 nnns volume:326 pages:341-357 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2336 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_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 38.25 Petrologie: Allgemeines 38.30 Mineralogie 38.32 Geochemie AR 326 341-357
allfieldsGer	10.1016/j.lithos.2018.12.030 doi (DE-627)ELV001603396 (ELSEVIER)S0024-4937(18)30492-4 DE-627 ger DE-627 rda eng 550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Deng, Changzhou verfasserin aut Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction Sun, Deyou verfasserin aut Han, Jinsheng verfasserin aut Chen, Huayong verfasserin aut Li, Guanghui verfasserin aut Xiao, Bing verfasserin aut Li, Rucao verfasserin aut Feng, Yuzhou verfasserin aut Li, Chenglu verfasserin aut Lu, Sheng verfasserin aut Enthalten in Lithos Amsterdam [u.a.] : Elsevier Science, 1968 326, Seite 341-357 Online-Ressource (DE-627)303393181 (DE-600)1494884-9 (DE-576)081952880 1872-6143 nnns volume:326 pages:341-357 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2336 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_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 38.25 Petrologie: Allgemeines 38.30 Mineralogie 38.32 Geochemie AR 326 341-357
allfieldsSound	10.1016/j.lithos.2018.12.030 doi (DE-627)ELV001603396 (ELSEVIER)S0024-4937(18)30492-4 DE-627 ger DE-627 rda eng 550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Deng, Changzhou verfasserin aut Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block. Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction Sun, Deyou verfasserin aut Han, Jinsheng verfasserin aut Chen, Huayong verfasserin aut Li, Guanghui verfasserin aut Xiao, Bing verfasserin aut Li, Rucao verfasserin aut Feng, Yuzhou verfasserin aut Li, Chenglu verfasserin aut Lu, Sheng verfasserin aut Enthalten in Lithos Amsterdam [u.a.] : Elsevier Science, 1968 326, Seite 341-357 Online-Ressource (DE-627)303393181 (DE-600)1494884-9 (DE-576)081952880 1872-6143 nnns volume:326 pages:341-357 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2336 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_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 38.25 Petrologie: Allgemeines 38.30 Mineralogie 38.32 Geochemie AR 326 341-357
language	English
source	Enthalten in Lithos 326, Seite 341-357 volume:326 pages:341-357
sourceStr	Enthalten in Lithos 326, Seite 341-357 volume:326 pages:341-357
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bklname	Petrologie: Allgemeines Mineralogie Geochemie
institution	findex.gbv.de
topic_facet	Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction
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authorswithroles_txt_mv	Deng, Changzhou @@aut@@ Sun, Deyou @@aut@@ Han, Jinsheng @@aut@@ Chen, Huayong @@aut@@ Li, Guanghui @@aut@@ Xiao, Bing @@aut@@ Li, Rucao @@aut@@ Feng, Yuzhou @@aut@@ Li, Chenglu @@aut@@ Lu, Sheng @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
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The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). 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author	Deng, Changzhou
spellingShingle	Deng, Changzhou ddc 550 bkl 38.25 bkl 38.30 bkl 38.32 misc Mongol–Okhotsk Ocean misc U–Pb ages misc Geochemistry misc Fukeshan Cu misc Ridge subduction Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu
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topic_title	550 DE-600 38.25 bkl 38.30 bkl 38.32 bkl Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu Mongol–Okhotsk Ocean U–Pb ages Geochemistry Fukeshan Cu Ridge subduction
topic	ddc 550 bkl 38.25 bkl 38.30 bkl 38.32 misc Mongol–Okhotsk Ocean misc U–Pb ages misc Geochemistry misc Fukeshan Cu misc Ridge subduction
topic_unstemmed	ddc 550 bkl 38.25 bkl 38.30 bkl 38.32 misc Mongol–Okhotsk Ocean misc U–Pb ages misc Geochemistry misc Fukeshan Cu misc Ridge subduction
topic_browse	ddc 550 bkl 38.25 bkl 38.30 bkl 38.32 misc Mongol–Okhotsk Ocean misc U–Pb ages misc Geochemistry misc Fukeshan Cu misc Ridge subduction
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title	Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu
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title_full	Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu
author_sort	Deng, Changzhou
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author_browse	Deng, Changzhou Sun, Deyou Han, Jinsheng Chen, Huayong Li, Guanghui Xiao, Bing Li, Rucao Feng, Yuzhou Li, Chenglu Lu, Sheng
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title_sort	late-stage southwards subduction of the mongol-okhotsk oceanic slab and implications for porphyry cu
title_auth	Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu
abstract	Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block.
abstractGer	Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block.
abstract_unstemmed	Multistage igneous rocks identified in the newly discovered Fukeshan porphyry CuMo deposit, NE China give new insights into the late-stage southwards subduction of the Mongol-Okhotsk oceanic slab (MOOS) and CuMo mineralization during the late Mesozoic. The UPb ages of zircons from medium-grained monzogranite, coarse-grained monzogranite, ore-related quartz diorite porphyry, quartz monzonite, ganodiorite porphyry, diorite porphyry and andesitic porphyry associated with the Fukeshan deposit are 192.7 ± 1.9, 192.2 ± 2.7, 148.7 ± 0.8, 148.8 ± 0.9, 144.1 ± 1.1, 144.9 ± 0.9, and 144.8 ± 1.3 Ma, respectively. The Early Jurassic coarse-grained monzogranite, Late Jurassic quartz monzonite and quartz diorite porphyry, and Early Cretaceous granodiorite porphyry are characterized by low Yb and Y contents, and high Sr/Y ratios, indicating adakite affinities. The whole-rock geochemistry, and SrNd and zircon Hf isotopic features of the coarse-grained monzogranite and granodiorite porphyry indicate they were derived from the partial melting of a thickened basaltic lower crust. On the other hand, the quartz monzonite and quartz diorite porphyry probably originated from the melting of oceanic crust together with assimilation of enriched mantle and continental crust. The medium-grained monzogranites were possibly derived from a basaltic lower crust at shallower depths, and the diorite porphyry and andesitic porphyry probably originated from a metasomatized mantle source. Considering the Early Jurassic–Early Cretaceous magmatism and regional tectonic evolution of the Erguna Block, we propose that the MOOS was subducted towards the south during the Early Jurassic (195–170 Ma), slab retreat occurred during the early Late Jurassic (165–155 Ma), oceanic ridge subduction took place during the Late Jurassic (150–147 Ma). The final closure of the Mongol-Okhotsk Ocean occurred during the Early Cretaceous (145–143 Ma). The southwards subduction of a ridge on the MOOS provided a favorable tectonic setting for CuMo mineralization, and this is accordance with the discovery of many Late Jurassic–Early Cretaceous porphyry CuMo deposits in the eastern part of the Erguna Block.
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title_short	Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu
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author2	Sun, Deyou Han, Jinsheng Chen, Huayong Li, Guanghui Xiao, Bing Li, Rucao Feng, Yuzhou Li, Chenglu Lu, Sheng
author2Str	Sun, Deyou Han, Jinsheng Chen, Huayong Li, Guanghui Xiao, Bing Li, Rucao Feng, Yuzhou Li, Chenglu Lu, Sheng
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doi_str	10.1016/j.lithos.2018.12.030
up_date	2024-07-06T21:56:29.728Z
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Late-stage southwards subduction of the Mongol-Okhotsk oceanic slab and implications for porphyry Cu

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