Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China
Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their prot...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Guo, Jinghui [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Schlagwörter: |
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| Anmerkung: |
© Science in China Press 2002 |
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| Übergeordnetes Werk: |
Enthalten in: Science in China / D - Science in China Press, 1996, 45(2002), 1 vom: Dez., Seite 21-33 |
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| Übergeordnetes Werk: |
volume:45 ; year:2002 ; number:1 ; month:12 ; pages:21-33 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02879693 |
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| Katalog-ID: |
OLC2063774196 |
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| 520 | |a Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. | ||
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10.1007/BF02879693 doi (DE-627)OLC2063774196 (DE-He213)BF02879693-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Guo, Jinghui verfasserin aut Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. ecoligitized granulite trace element Pearce’s element ratio Sulu UHP belt Zhai, Mingguo aut Ye, Kai aut Liu, Wenjun aut Cong, Bolin aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 1 vom: Dez., Seite 21-33 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:1 month:12 pages:21-33 https://doi.org/10.1007/BF02879693 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 1 12 21-33 |
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10.1007/BF02879693 doi (DE-627)OLC2063774196 (DE-He213)BF02879693-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Guo, Jinghui verfasserin aut Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. ecoligitized granulite trace element Pearce’s element ratio Sulu UHP belt Zhai, Mingguo aut Ye, Kai aut Liu, Wenjun aut Cong, Bolin aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 1 vom: Dez., Seite 21-33 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:1 month:12 pages:21-33 https://doi.org/10.1007/BF02879693 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 1 12 21-33 |
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10.1007/BF02879693 doi (DE-627)OLC2063774196 (DE-He213)BF02879693-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Guo, Jinghui verfasserin aut Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. ecoligitized granulite trace element Pearce’s element ratio Sulu UHP belt Zhai, Mingguo aut Ye, Kai aut Liu, Wenjun aut Cong, Bolin aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 1 vom: Dez., Seite 21-33 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:1 month:12 pages:21-33 https://doi.org/10.1007/BF02879693 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 1 12 21-33 |
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10.1007/BF02879693 doi (DE-627)OLC2063774196 (DE-He213)BF02879693-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Guo, Jinghui verfasserin aut Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. ecoligitized granulite trace element Pearce’s element ratio Sulu UHP belt Zhai, Mingguo aut Ye, Kai aut Liu, Wenjun aut Cong, Bolin aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 1 vom: Dez., Seite 21-33 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:1 month:12 pages:21-33 https://doi.org/10.1007/BF02879693 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 1 12 21-33 |
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10.1007/BF02879693 doi (DE-627)OLC2063774196 (DE-He213)BF02879693-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Guo, Jinghui verfasserin aut Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. ecoligitized granulite trace element Pearce’s element ratio Sulu UHP belt Zhai, Mingguo aut Ye, Kai aut Liu, Wenjun aut Cong, Bolin aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 1 vom: Dez., Seite 21-33 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:1 month:12 pages:21-33 https://doi.org/10.1007/BF02879693 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 1 12 21-33 |
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Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China |
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Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China |
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Guo, Jinghui |
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Science in China / D |
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2002 |
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Guo, Jinghui Zhai, Mingguo Ye, Kai Liu, Wenjun Cong, Bolin |
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petrochemistry and geochemistry of hp metabasites from haiyangsuo in sulu uhp belt of eastern china |
| title_auth |
Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China |
| abstract |
Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. © Science in China Press 2002 |
| abstractGer |
Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. © Science in China Press 2002 |
| abstract_unstemmed |
Abstract Abundant metabasites occur in highly deformed granitic and migmatitic gneisses as blocks and lenses of tens of meter size around the Haiyangsuo area, northeast part of Sulu UHP belt, eastern China. They comprise garnet-pyroxene granulites, eclogitized granulites and amphibolites. Their protolith compositions were mainly olivine tholeiite and quartz tholeiite, and show variation from Mg-rich to Fe-rich component as tholeiitic cumulates. Pearce’s element ratio slopes suggested that protolith of these rocks were comagmatic, and generated from a primary magma by fractional crystallization of plagioclase, olivine and clinopyroxene. The crystallization differentiation has also been evidenced by trace elements, such as parallel REE patterns, Ni vs Ce variations, Sr increasing depletions, although the large ion lithophile elements (LILE) were modified to different extent during metamorphism. Trace element composition and Nd isotopes indicate a depleted mantle origin for these rocks. But they are not likely to be fragments of ophiolites or tholeiites connected with subduction, they formed probably at intra-continent environment. Sm-Nd whole rock isochron age of 2252±180Ma indicates approximately the formation age of igneous protolith of these rocks, almost 2000Ma earlier than the formation of the Dabie-Sulu UHP collision zone at about 240–220 Ma. © Science in China Press 2002 |
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Petrochemistry and geochemistry of HP metabasites from Haiyangsuo in Sulu UHP belt of eastern China |
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