Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan
Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are t...
Ausführliche Beschreibung
Autor*in: |
Yuji ichiyama [verfasserIn] |
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Artikel |
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Sprache: |
Englisch |
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2017 |
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Übergeordnetes Werk: |
Enthalten in: American mineralogist - Washington, DC [u.a.] : Soc., 1916, 102(2017), 2, Seite 341-346 |
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Übergeordnetes Werk: |
volume:102 ; year:2017 ; number:2 ; pages:341-346 |
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DOI / URN: |
10.2138/am-2017-5720 |
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OLC199095488X |
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520 | |a Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. | ||
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10.2138/am-2017-5720 doi PQ20170301 (DE-627)OLC199095488X (DE-599)GBVOLC199095488X (PRQ)p801-b32c5d5b87640706972262d46a793b1328250bea4b06033e1cd3ee5230ba6c170 (KEY)0120180820170000102000200341adakitemetasomatisminabackarcmantleperidotitexenol DE-627 ger DE-627 rakwb eng 550 540 DNB 38.30 bkl Yuji ichiyama verfasserin aut Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. Sea of Japan Mantle xenolith secondary orthopyroxene adakite Tomoaki morishita oth Akihiro Tamura oth Shoji Arai oth Enthalten in American mineralogist Washington, DC [u.a.] : Soc., 1916 102(2017), 2, Seite 341-346 (DE-627)129081795 (DE-600)3514-2 (DE-576)014414716 0003-004X nnns volume:102 year:2017 number:2 pages:341-346 http://dx.doi.org/10.2138/am-2017-5720 Volltext http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 GBV_ILN_188 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4323 38.30 AVZ AR 102 2017 2 341-346 |
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10.2138/am-2017-5720 doi PQ20170301 (DE-627)OLC199095488X (DE-599)GBVOLC199095488X (PRQ)p801-b32c5d5b87640706972262d46a793b1328250bea4b06033e1cd3ee5230ba6c170 (KEY)0120180820170000102000200341adakitemetasomatisminabackarcmantleperidotitexenol DE-627 ger DE-627 rakwb eng 550 540 DNB 38.30 bkl Yuji ichiyama verfasserin aut Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. Sea of Japan Mantle xenolith secondary orthopyroxene adakite Tomoaki morishita oth Akihiro Tamura oth Shoji Arai oth Enthalten in American mineralogist Washington, DC [u.a.] : Soc., 1916 102(2017), 2, Seite 341-346 (DE-627)129081795 (DE-600)3514-2 (DE-576)014414716 0003-004X nnns volume:102 year:2017 number:2 pages:341-346 http://dx.doi.org/10.2138/am-2017-5720 Volltext http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 GBV_ILN_188 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4323 38.30 AVZ AR 102 2017 2 341-346 |
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10.2138/am-2017-5720 doi PQ20170301 (DE-627)OLC199095488X (DE-599)GBVOLC199095488X (PRQ)p801-b32c5d5b87640706972262d46a793b1328250bea4b06033e1cd3ee5230ba6c170 (KEY)0120180820170000102000200341adakitemetasomatisminabackarcmantleperidotitexenol DE-627 ger DE-627 rakwb eng 550 540 DNB 38.30 bkl Yuji ichiyama verfasserin aut Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. Sea of Japan Mantle xenolith secondary orthopyroxene adakite Tomoaki morishita oth Akihiro Tamura oth Shoji Arai oth Enthalten in American mineralogist Washington, DC [u.a.] : Soc., 1916 102(2017), 2, Seite 341-346 (DE-627)129081795 (DE-600)3514-2 (DE-576)014414716 0003-004X nnns volume:102 year:2017 number:2 pages:341-346 http://dx.doi.org/10.2138/am-2017-5720 Volltext http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 GBV_ILN_188 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4323 38.30 AVZ AR 102 2017 2 341-346 |
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10.2138/am-2017-5720 doi PQ20170301 (DE-627)OLC199095488X (DE-599)GBVOLC199095488X (PRQ)p801-b32c5d5b87640706972262d46a793b1328250bea4b06033e1cd3ee5230ba6c170 (KEY)0120180820170000102000200341adakitemetasomatisminabackarcmantleperidotitexenol DE-627 ger DE-627 rakwb eng 550 540 DNB 38.30 bkl Yuji ichiyama verfasserin aut Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. Sea of Japan Mantle xenolith secondary orthopyroxene adakite Tomoaki morishita oth Akihiro Tamura oth Shoji Arai oth Enthalten in American mineralogist Washington, DC [u.a.] : Soc., 1916 102(2017), 2, Seite 341-346 (DE-627)129081795 (DE-600)3514-2 (DE-576)014414716 0003-004X nnns volume:102 year:2017 number:2 pages:341-346 http://dx.doi.org/10.2138/am-2017-5720 Volltext http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 GBV_ILN_188 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4323 38.30 AVZ AR 102 2017 2 341-346 |
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10.2138/am-2017-5720 doi PQ20170301 (DE-627)OLC199095488X (DE-599)GBVOLC199095488X (PRQ)p801-b32c5d5b87640706972262d46a793b1328250bea4b06033e1cd3ee5230ba6c170 (KEY)0120180820170000102000200341adakitemetasomatisminabackarcmantleperidotitexenol DE-627 ger DE-627 rakwb eng 550 540 DNB 38.30 bkl Yuji ichiyama verfasserin aut Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. Sea of Japan Mantle xenolith secondary orthopyroxene adakite Tomoaki morishita oth Akihiro Tamura oth Shoji Arai oth Enthalten in American mineralogist Washington, DC [u.a.] : Soc., 1916 102(2017), 2, Seite 341-346 (DE-627)129081795 (DE-600)3514-2 (DE-576)014414716 0003-004X nnns volume:102 year:2017 number:2 pages:341-346 http://dx.doi.org/10.2138/am-2017-5720 Volltext http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 GBV_ILN_188 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4323 38.30 AVZ AR 102 2017 2 341-346 |
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Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan |
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Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan |
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adakite metasomatism in a back-arc mantle peridotite xenolith from the sea of japan |
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Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan |
abstract |
Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. |
abstractGer |
Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. |
abstract_unstemmed |
Secondary orthopyroxenes occur as veinlets (<0.1 mm thick) cutting an olivine grain in a two-pyroxene peridotite xenolith from the Shiribeshi Seamount in the Sea of Japan. These orthopyroxenes are characterized by low Al (0.4–1.7 wt%), Cr (<0.1 wt%), and CaO (0.3–0.4 wt%) contents, which are the same signatures of the secondary orthopyroxenes in peridotite xenoliths from island arcs. The trace-element patterns of the melts in equilibrium with the secondary orthopyroxenes show enrichment in light rare earth elements and Sr and depletion in heavy rare earth elements, Nb and Ti. These trace-element characteristics are highly consistent with those of slab-derived adakites. The involvement of slab-derived melts in the mantle beneath the Sea of Japan has been inferred from the geochemical characteristics of the volcanic rocks formed during opening of the Sea of Japan. The source mantle of the enriched basalts in the Sea of Japan is likely to have been metasomatized by adakitic melts in the same manner as the peridotite-hosted veinlet. The secondary orthopyroxenes in the peridotite xenolith from the Shiribeshi Seamount provide direct evidence for the metasomatic infux of adakitic melts into the back-arc mantle beneath the Sea of Japan. Adakitic metasomatism, as documented in the Sea of Japan, potentially plays an important role in mantle evolution and magma generation beneath global back-arc basins. |
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title_short |
Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan |
url |
http://dx.doi.org/10.2138/am-2017-5720 http://www.degruyter.com/doi/10.2138/am-2017-5720 http://search.proquest.com/docview/1871606532 |
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