Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction
Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho...
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Gespeichert in:
| Autor*in: |
Borisova, Anastassia Y. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Systematik: |
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| Anmerkung: |
© The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Mineralogy and petrology - Springer Vienna, 1987, 115(2021), 5 vom: 19. Aug., Seite 489-495 |
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| Übergeordnetes Werk: |
volume:115 ; year:2021 ; number:5 ; day:19 ; month:08 ; pages:489-495 |
| Links: |
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| DOI / URN: |
10.1007/s00710-021-00759-7 |
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| Katalog-ID: |
OLC2127778308 |
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| 520 | |a Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. | ||
| 650 | 4 | |a Diopsidite | |
| 650 | 4 | |a Oceanic lithosphere | |
| 650 | 4 | |a Hydrated peridotite | |
| 650 | 4 | |a Mantle-crust transition zone | |
| 650 | 4 | |a Melt-rock reaction experiment | |
| 700 | 1 | |a Ceuleneer, Georges |4 aut | |
| 700 | 1 | |a Zagrtdenov, Nail R. |4 aut | |
| 700 | 1 | |a Safonov, Oleg G. |4 aut | |
| 700 | 1 | |a Toplis, Michael J. |4 aut | |
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10.1007/s00710-021-00759-7 doi (DE-627)OLC2127778308 (DE-He213)s00710-021-00759-7-p DE-627 ger DE-627 rakwb eng 550 VZ 13 ssgn TE 1000 VZ rvk Borisova, Anastassia Y. verfasserin (orcid)0000-0001-6373-726X aut Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. Diopsidite Oceanic lithosphere Hydrated peridotite Mantle-crust transition zone Melt-rock reaction experiment Ceuleneer, Georges aut Zagrtdenov, Nail R. aut Safonov, Oleg G. aut Toplis, Michael J. aut Enthalten in Mineralogy and petrology Springer Vienna, 1987 115(2021), 5 vom: 19. Aug., Seite 489-495 (DE-627)129383856 (DE-600)166036-6 (DE-576)014770881 0930-0708 nnns volume:115 year:2021 number:5 day:19 month:08 pages:489-495 https://doi.org/10.1007/s00710-021-00759-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_2399 GBV_ILN_4306 TE 1000 AR 115 2021 5 19 08 489-495 |
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10.1007/s00710-021-00759-7 doi (DE-627)OLC2127778308 (DE-He213)s00710-021-00759-7-p DE-627 ger DE-627 rakwb eng 550 VZ 13 ssgn TE 1000 VZ rvk Borisova, Anastassia Y. verfasserin (orcid)0000-0001-6373-726X aut Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. Diopsidite Oceanic lithosphere Hydrated peridotite Mantle-crust transition zone Melt-rock reaction experiment Ceuleneer, Georges aut Zagrtdenov, Nail R. aut Safonov, Oleg G. aut Toplis, Michael J. aut Enthalten in Mineralogy and petrology Springer Vienna, 1987 115(2021), 5 vom: 19. Aug., Seite 489-495 (DE-627)129383856 (DE-600)166036-6 (DE-576)014770881 0930-0708 nnns volume:115 year:2021 number:5 day:19 month:08 pages:489-495 https://doi.org/10.1007/s00710-021-00759-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_2399 GBV_ILN_4306 TE 1000 AR 115 2021 5 19 08 489-495 |
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10.1007/s00710-021-00759-7 doi (DE-627)OLC2127778308 (DE-He213)s00710-021-00759-7-p DE-627 ger DE-627 rakwb eng 550 VZ 13 ssgn TE 1000 VZ rvk Borisova, Anastassia Y. verfasserin (orcid)0000-0001-6373-726X aut Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. Diopsidite Oceanic lithosphere Hydrated peridotite Mantle-crust transition zone Melt-rock reaction experiment Ceuleneer, Georges aut Zagrtdenov, Nail R. aut Safonov, Oleg G. aut Toplis, Michael J. aut Enthalten in Mineralogy and petrology Springer Vienna, 1987 115(2021), 5 vom: 19. Aug., Seite 489-495 (DE-627)129383856 (DE-600)166036-6 (DE-576)014770881 0930-0708 nnns volume:115 year:2021 number:5 day:19 month:08 pages:489-495 https://doi.org/10.1007/s00710-021-00759-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_2399 GBV_ILN_4306 TE 1000 AR 115 2021 5 19 08 489-495 |
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10.1007/s00710-021-00759-7 doi (DE-627)OLC2127778308 (DE-He213)s00710-021-00759-7-p DE-627 ger DE-627 rakwb eng 550 VZ 13 ssgn TE 1000 VZ rvk Borisova, Anastassia Y. verfasserin (orcid)0000-0001-6373-726X aut Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. Diopsidite Oceanic lithosphere Hydrated peridotite Mantle-crust transition zone Melt-rock reaction experiment Ceuleneer, Georges aut Zagrtdenov, Nail R. aut Safonov, Oleg G. aut Toplis, Michael J. aut Enthalten in Mineralogy and petrology Springer Vienna, 1987 115(2021), 5 vom: 19. Aug., Seite 489-495 (DE-627)129383856 (DE-600)166036-6 (DE-576)014770881 0930-0708 nnns volume:115 year:2021 number:5 day:19 month:08 pages:489-495 https://doi.org/10.1007/s00710-021-00759-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_2399 GBV_ILN_4306 TE 1000 AR 115 2021 5 19 08 489-495 |
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10.1007/s00710-021-00759-7 doi (DE-627)OLC2127778308 (DE-He213)s00710-021-00759-7-p DE-627 ger DE-627 rakwb eng 550 VZ 13 ssgn TE 1000 VZ rvk Borisova, Anastassia Y. verfasserin (orcid)0000-0001-6373-726X aut Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. Diopsidite Oceanic lithosphere Hydrated peridotite Mantle-crust transition zone Melt-rock reaction experiment Ceuleneer, Georges aut Zagrtdenov, Nail R. aut Safonov, Oleg G. aut Toplis, Michael J. aut Enthalten in Mineralogy and petrology Springer Vienna, 1987 115(2021), 5 vom: 19. Aug., Seite 489-495 (DE-627)129383856 (DE-600)166036-6 (DE-576)014770881 0930-0708 nnns volume:115 year:2021 number:5 day:19 month:08 pages:489-495 https://doi.org/10.1007/s00710-021-00759-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_2399 GBV_ILN_4306 TE 1000 AR 115 2021 5 19 08 489-495 |
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experimental diopsidite: implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction |
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Experimental diopsidite: Implications for natural diopsidite genesis through fluid-melt-mantle peridotite reaction |
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Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 |
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Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 |
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Abstract Occurrences of diopsidites, rocks made predominantly of gem-like diopside whose composition precludes a purely igneous origin, allow tracking the pathway of high-temperature fluids and fluid-saturated melts in the oceanic lithosphere in vicinity of the mantle-crust transition zone (the Moho) and the adjacent mantle in an oceanic setting. We have experimentally explored the origin of the mantle diopsidites by reacting serpentinite with synthetic haplobasaltic glass (corresponding to anorthite-diopside eutectic at 0.1 MPa pressure) at 900 and 1250 °C, and 0.2 GPa pressure for 120 h. At 900 °C, no reaction is observed in the sample; in contrast, in the experimental runs heated to 1250 °C, we distinguish two mineral associations (1) early Al-poor diopside [Mg# = Mg/(Mg + Fe) = 99 ± 1; $ Al_{2} $$ O_{3} $ = 1.9 ± 1.6 wt%] with the diopside-hosted forsterite ($ Fo_{99.2 ± 0.1} $) inclusions and (2) late Al-enriched diopside (Mg# = 98 ± 1; $ Al_{2} $$ O_{3} $ = 3.7 ± 2.8 wt%). Our experiments confirm that mantle diopsidites can be produced at ≥ 1100 °C in response to partial melting of hydrated peridotite (serpentinite) in the presence of haplobasaltic melt and aqueous fluid at the conditions typical of the mantle-crust transition zone and the shallow mantle beneath oceanic spreading ridges. © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021 |
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