Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir
The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Li, Ruihua [verfasserIn] Ouyang, Hegen [verfasserIn] Mao, Jingwen [verfasserIn] Zhu, Yongfeng [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Ore geology reviews - Amsterdam [u.a.] : Elsevier, 1986, 105, Seite 572-589 |
|---|---|
| Übergeordnetes Werk: |
volume:105 ; pages:572-589 |
| DOI / URN: |
10.1016/j.oregeorev.2019.01.009 |
|---|
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| 245 | 1 | 0 | |a Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
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| 520 | |a The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. | ||
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10.1016/j.oregeorev.2019.01.009 doi (DE-627)ELV001651730 (ELSEVIER)S0169-1368(18)30808-4 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Ruihua verfasserin aut Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust Ouyang, Hegen verfasserin aut Mao, Jingwen verfasserin aut Zhu, Yongfeng verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 105, Seite 572-589 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:105 pages:572-589 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 105 572-589 |
| spelling |
10.1016/j.oregeorev.2019.01.009 doi (DE-627)ELV001651730 (ELSEVIER)S0169-1368(18)30808-4 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Ruihua verfasserin aut Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust Ouyang, Hegen verfasserin aut Mao, Jingwen verfasserin aut Zhu, Yongfeng verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 105, Seite 572-589 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:105 pages:572-589 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 105 572-589 |
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10.1016/j.oregeorev.2019.01.009 doi (DE-627)ELV001651730 (ELSEVIER)S0169-1368(18)30808-4 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Ruihua verfasserin aut Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust Ouyang, Hegen verfasserin aut Mao, Jingwen verfasserin aut Zhu, Yongfeng verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 105, Seite 572-589 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:105 pages:572-589 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 105 572-589 |
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10.1016/j.oregeorev.2019.01.009 doi (DE-627)ELV001651730 (ELSEVIER)S0169-1368(18)30808-4 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Ruihua verfasserin aut Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust Ouyang, Hegen verfasserin aut Mao, Jingwen verfasserin aut Zhu, Yongfeng verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 105, Seite 572-589 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:105 pages:572-589 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 105 572-589 |
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10.1016/j.oregeorev.2019.01.009 doi (DE-627)ELV001651730 (ELSEVIER)S0169-1368(18)30808-4 DE-627 ger DE-627 rda eng 550 DE-600 38.52 bkl 57.20 bkl Li, Ruihua verfasserin aut Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust Ouyang, Hegen verfasserin aut Mao, Jingwen verfasserin aut Zhu, Yongfeng verfasserin aut Enthalten in Ore geology reviews Amsterdam [u.a.] : Elsevier, 1986 105, Seite 572-589 Online-Ressource (DE-627)32461635X (DE-600)2029106-1 (DE-576)259485551 1872-7360 nnns volume:105 pages:572-589 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 105 572-589 |
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In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. 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Li, Ruihua |
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Li, Ruihua ddc 550 bkl 38.52 bkl 57.20 misc Pamir misc Porphyry deposit misc Metallogenic potential misc Tibetan misc Continental crust Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
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550 DE-600 38.52 bkl 57.20 bkl Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir Pamir Porphyry deposit Metallogenic potential Tibetan Continental crust |
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Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
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Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
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geology, geochronology, and geochemistry of the siruyidie’er prospect, taxkorgan: a possible miocene porphyry mo ± cu deposit in the central pamir |
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Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
| abstract |
The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. |
| abstractGer |
The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. |
| abstract_unstemmed |
The Pamir and Tibetan plateaus, which have a similar terrane structure and evolutionary history since the Phanerozoic, are both host abundant Eocene to Miocene intrusions, however, unlike the Tibetan plateau, coeval porphyry deposits appear to be devoid in the Pamir plateau. In this study, we first report a potentially economic Cu-bearing sulfide mineralization at Siruyidie’er prospect in the Central Pamir. The Siruyidie’er prospect is characterized by the development of 14 breccia pipes in the north block and of Cu-bearing sulfide veins in the south block. Field evidence indicates that the brecciation and mineralization are intimately related to the intrusion of granite porphyry. Zircon U-Pb dating of the granite porphyry yields an age of 13.74 ± 0.21 Ma. This age overlaps with the hydrothermal muscovite 40Ar/39Ar data of 13.68 ± 0.17 Ma, which confirms the hydrothermal activity and mineralization at Siruyidie’er prospect are induced by the granite porphyry. The granite porphyries are shoshonitic in composition and have high K2O (6.03–6.46 wt%; K2O/Na2O = 1.70–1.92), Ba (2983–3316 ppm), LREE (317–363 ppm) and Sr (331–378 ppm), and low MgO (0.54–0.63 wt%), Cr (6.73–8.28 ppm) and Y (7.88–9.91 ppm) contents. The rocks are LREE-enriched ((La/Yb)N = 53–66) and display weakly negative Eu (Eu/Eu* = 0.79–0.87), positive LILES (Ba, Rb, and K) and negative HFSEs (Th, U, Nb, Ta, Ti, and Y) anomalies. They have enriched Hf isotopic compositions with ɛHf(t) values ranging from –8.78 to −5.01. The combined major and trace elements and Hf isotopic characteristics of the granite porphyries suggest that the primitive magmas were produced by high extent partial melting of an ancient crust source, possibly a thickened lower crust in the garnet stability field. A comparison of the granite porphyries at Siruyidie’er prospect with Eocene to Miocene ore-forming granitic porphyries of the Tibetan plateau reveals that the granite porphyries have lower water contents and originated from a continental crust rather than a depleted mantle source. Based on geological, compositional, and age data, we propose that the Siruyidie’er prospect has a potential to form porphyry Mo ± Cu deposit. This study provides the first direct evidence for the possible presence of porphyry Mo ± Cu deposit in the Pamir plateau. |
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| title_short |
Geology, geochronology, and geochemistry of the siruyidie’er prospect, Taxkorgan: A possible Miocene porphyry Mo ± Cu deposit in the Central Pamir |
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Ouyang, Hegen Mao, Jingwen Zhu, Yongfeng |
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10.1016/j.oregeorev.2019.01.009 |
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2024-07-06T22:06:31.181Z |
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