New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean
Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos gran...
Ausführliche Beschreibung
Autor*in: |
Michail, Maria [verfasserIn] Pipera, Kyriaki [verfasserIn] Koroneos, Antonios [verfasserIn] Kilias, Adamantios [verfasserIn] Ntaflos, Theodoros [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2016 |
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Übergeordnetes Werk: |
Enthalten in: Geologische Rundschau - Berlin : Springer, 1910, 105(2016), 7 vom: 26. März, Seite 1965-1983 |
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Übergeordnetes Werk: |
volume:105 ; year:2016 ; number:7 ; day:26 ; month:03 ; pages:1965-1983 |
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DOI / URN: |
10.1007/s00531-016-1321-4 |
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Katalog-ID: |
SPR006727050 |
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520 | |a Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. | ||
650 | 4 | |a Intra-oceanic subduction |7 (dpeaa)DE-He213 | |
650 | 4 | |a Axios-Vardar zone |7 (dpeaa)DE-He213 | |
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650 | 4 | |a Fanos granite |7 (dpeaa)DE-He213 | |
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700 | 1 | |a Ntaflos, Theodoros |e verfasserin |4 aut | |
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10.1007/s00531-016-1321-4 doi (DE-627)SPR006727050 (SPR)s00531-016-1321-4-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Michail, Maria verfasserin aut New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 Pipera, Kyriaki verfasserin aut Koroneos, Antonios verfasserin aut Kilias, Adamantios verfasserin aut Ntaflos, Theodoros verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 105(2016), 7 vom: 26. März, Seite 1965-1983 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:105 year:2016 number:7 day:26 month:03 pages:1965-1983 https://dx.doi.org/10.1007/s00531-016-1321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 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_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 105 2016 7 26 03 1965-1983 |
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10.1007/s00531-016-1321-4 doi (DE-627)SPR006727050 (SPR)s00531-016-1321-4-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Michail, Maria verfasserin aut New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 Pipera, Kyriaki verfasserin aut Koroneos, Antonios verfasserin aut Kilias, Adamantios verfasserin aut Ntaflos, Theodoros verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 105(2016), 7 vom: 26. März, Seite 1965-1983 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:105 year:2016 number:7 day:26 month:03 pages:1965-1983 https://dx.doi.org/10.1007/s00531-016-1321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 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_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 105 2016 7 26 03 1965-1983 |
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10.1007/s00531-016-1321-4 doi (DE-627)SPR006727050 (SPR)s00531-016-1321-4-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Michail, Maria verfasserin aut New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 Pipera, Kyriaki verfasserin aut Koroneos, Antonios verfasserin aut Kilias, Adamantios verfasserin aut Ntaflos, Theodoros verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 105(2016), 7 vom: 26. März, Seite 1965-1983 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:105 year:2016 number:7 day:26 month:03 pages:1965-1983 https://dx.doi.org/10.1007/s00531-016-1321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 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_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 105 2016 7 26 03 1965-1983 |
allfieldsGer |
10.1007/s00531-016-1321-4 doi (DE-627)SPR006727050 (SPR)s00531-016-1321-4-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Michail, Maria verfasserin aut New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 Pipera, Kyriaki verfasserin aut Koroneos, Antonios verfasserin aut Kilias, Adamantios verfasserin aut Ntaflos, Theodoros verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 105(2016), 7 vom: 26. März, Seite 1965-1983 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:105 year:2016 number:7 day:26 month:03 pages:1965-1983 https://dx.doi.org/10.1007/s00531-016-1321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 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_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 105 2016 7 26 03 1965-1983 |
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10.1007/s00531-016-1321-4 doi (DE-627)SPR006727050 (SPR)s00531-016-1321-4-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Michail, Maria verfasserin aut New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 Pipera, Kyriaki verfasserin aut Koroneos, Antonios verfasserin aut Kilias, Adamantios verfasserin aut Ntaflos, Theodoros verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 105(2016), 7 vom: 26. März, Seite 1965-1983 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:105 year:2016 number:7 day:26 month:03 pages:1965-1983 https://dx.doi.org/10.1007/s00531-016-1321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 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_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 105 2016 7 26 03 1965-1983 |
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Michail, Maria |
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Michail, Maria ddc 550 bkl 38.10 misc Intra-oceanic subduction misc Axios-Vardar zone misc Guevgueli ophiolites misc Supra-subduction ophiolites misc Fanos granite New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean |
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550 ASE 38.10 bkl New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean Intra-oceanic subduction (dpeaa)DE-He213 Axios-Vardar zone (dpeaa)DE-He213 Guevgueli ophiolites (dpeaa)DE-He213 Supra-subduction ophiolites (dpeaa)DE-He213 Fanos granite (dpeaa)DE-He213 |
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Michail, Maria Pipera, Kyriaki Koroneos, Antonios Kilias, Adamantios Ntaflos, Theodoros |
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new perspectives on the origin and emplacement of the late jurassic fanos granite, associated with an intra-oceanic subduction within the neotethyan axios-vardar ocean |
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New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean |
abstract |
Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. |
abstractGer |
Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. |
abstract_unstemmed |
Abstract The Fanos granite occurs in the Peonias subzone of the eastern Axios-Vardar zone in northern Greece. The Fanos granite is Late Jurassic (158 ± 1 Ma) and trends N–S, intruding the Mesozoic back-arc Guevgueli ophiolitic complex. The intrusive character of the eastern contact of the Fanos granite with the host ophiolitic complex is well preserved. In turn the western contact is overprinted by a few meters thick, west- to southwest-directed semi-ductile thrust zone, of Late Jurassic-Early Cretaceous age. The Fanos granite is dominated by the typical, isotropic granitoid fabric, although in some places the initial magmatic flow fabric is preserved. The main deformation recognized in the Fanos granite occurred in brittle regime and expressed by Tertiary thrust faults and Neogene-Quaternary normal to oblique normal faults. The origin as well as the possible tectonic setting of the Fanos granite is the main topics that we address in our study. Rock samples of the Fanos granite along with the adjusted Kotza Dere quartz diorite were analyzed for major and trace elements and for Sr and Nd isotopes (only the quartz diorite). The geochemical data show that the granite has peraluminous characteristics, high-K calc-alkaline affinities, and I-type features. The Sr initial isotopic values of the Fanos granite are rather low (0.7053–0.7056) while for the quartz diorite range from 0.7066 to 0.7068. The Nd initial isotopic values range from 0.51235 to 0.51240 for the granite and from 0.51222 to 0.51233 for the quartz diorite. The source of the granitic melt is interpreted to be meta-basaltic amphibolites. These amphibolites are the metamorphic products of enriched mantle melts that underplated the oceanic lithosphere. Taking into account our and published structural and geochemical data for the Fanos granite along with the tectonic data of the broader Axios-Vardar zone, we suggest that the studied granitic rocks were formed during an intra-oceanic subduction within the Neotethyan Axios-Vardar ocean. The granite was obducted during the Late Jurassic, together with the Neotethyan ophiolites westwards, on the Paikon Massif, in the eastern margin of the Pelagonian continent. |
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container_issue |
7 |
title_short |
New perspectives on the origin and emplacement of the Late Jurassic Fanos granite, associated with an intra-oceanic subduction within the Neotethyan Axios-Vardar Ocean |
url |
https://dx.doi.org/10.1007/s00531-016-1321-4 |
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author2 |
Pipera, Kyriaki Koroneos, Antonios Kilias, Adamantios Ntaflos, Theodoros |
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Pipera, Kyriaki Koroneos, Antonios Kilias, Adamantios Ntaflos, Theodoros |
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up_date |
2024-07-04T00:22:30.714Z |
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