Direct nanoscale observations of degassing-induced crystallisation in felsic magmas

Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Pistone, Mattia [verfasserIn] Formo, Eric Whittington, Alan G. Herbst, Thomas Cottrell, Elizabeth

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Degassing Crystallisation Nanolites Magmas Volcanic conduit

Anmerkung:	© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022

Übergeordnetes Werk:	Enthalten in: Contributions to mineralogy and petrology - Berlin : Springer, 1947, 177(2022), 3 vom: März
Übergeordnetes Werk:	volume:177 ; year:2022 ; number:3 ; month:03

Links:	Volltext

DOI / URN:	10.1007/s00410-022-01900-1

Katalog-ID:	SPR046473335

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allfields	10.1007/s00410-022-01900-1 doi (DE-627)SPR046473335 (SPR)s00410-022-01900-1-e DE-627 ger DE-627 rakwb eng Pistone, Mattia verfasserin (orcid)0000-0001-7560-3146 aut Direct nanoscale observations of degassing-induced crystallisation in felsic magmas 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213 Formo, Eric aut Whittington, Alan G. aut Herbst, Thomas aut Cottrell, Elizabeth aut Enthalten in Contributions to mineralogy and petrology Berlin : Springer, 1947 177(2022), 3 vom: März (DE-627)25372208X (DE-600)1458979-5 1432-0967 nnns volume:177 year:2022 number:3 month:03 https://dx.doi.org/10.1007/s00410-022-01900-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 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_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 177 2022 3 03
spelling	10.1007/s00410-022-01900-1 doi (DE-627)SPR046473335 (SPR)s00410-022-01900-1-e DE-627 ger DE-627 rakwb eng Pistone, Mattia verfasserin (orcid)0000-0001-7560-3146 aut Direct nanoscale observations of degassing-induced crystallisation in felsic magmas 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213 Formo, Eric aut Whittington, Alan G. aut Herbst, Thomas aut Cottrell, Elizabeth aut Enthalten in Contributions to mineralogy and petrology Berlin : Springer, 1947 177(2022), 3 vom: März (DE-627)25372208X (DE-600)1458979-5 1432-0967 nnns volume:177 year:2022 number:3 month:03 https://dx.doi.org/10.1007/s00410-022-01900-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 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_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 177 2022 3 03
allfields_unstemmed	10.1007/s00410-022-01900-1 doi (DE-627)SPR046473335 (SPR)s00410-022-01900-1-e DE-627 ger DE-627 rakwb eng Pistone, Mattia verfasserin (orcid)0000-0001-7560-3146 aut Direct nanoscale observations of degassing-induced crystallisation in felsic magmas 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213 Formo, Eric aut Whittington, Alan G. aut Herbst, Thomas aut Cottrell, Elizabeth aut Enthalten in Contributions to mineralogy and petrology Berlin : Springer, 1947 177(2022), 3 vom: März (DE-627)25372208X (DE-600)1458979-5 1432-0967 nnns volume:177 year:2022 number:3 month:03 https://dx.doi.org/10.1007/s00410-022-01900-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 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_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 177 2022 3 03
allfieldsGer	10.1007/s00410-022-01900-1 doi (DE-627)SPR046473335 (SPR)s00410-022-01900-1-e DE-627 ger DE-627 rakwb eng Pistone, Mattia verfasserin (orcid)0000-0001-7560-3146 aut Direct nanoscale observations of degassing-induced crystallisation in felsic magmas 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213 Formo, Eric aut Whittington, Alan G. aut Herbst, Thomas aut Cottrell, Elizabeth aut Enthalten in Contributions to mineralogy and petrology Berlin : Springer, 1947 177(2022), 3 vom: März (DE-627)25372208X (DE-600)1458979-5 1432-0967 nnns volume:177 year:2022 number:3 month:03 https://dx.doi.org/10.1007/s00410-022-01900-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 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_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 177 2022 3 03
allfieldsSound	10.1007/s00410-022-01900-1 doi (DE-627)SPR046473335 (SPR)s00410-022-01900-1-e DE-627 ger DE-627 rakwb eng Pistone, Mattia verfasserin (orcid)0000-0001-7560-3146 aut Direct nanoscale observations of degassing-induced crystallisation in felsic magmas 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213 Formo, Eric aut Whittington, Alan G. aut Herbst, Thomas aut Cottrell, Elizabeth aut Enthalten in Contributions to mineralogy and petrology Berlin : Springer, 1947 177(2022), 3 vom: März (DE-627)25372208X (DE-600)1458979-5 1432-0967 nnns volume:177 year:2022 number:3 month:03 https://dx.doi.org/10.1007/s00410-022-01900-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 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_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 177 2022 3 03
language	English
source	Enthalten in Contributions to mineralogy and petrology 177(2022), 3 vom: März volume:177 year:2022 number:3 month:03
sourceStr	Enthalten in Contributions to mineralogy and petrology 177(2022), 3 vom: März volume:177 year:2022 number:3 month:03
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Degassing Crystallisation Nanolites Magmas Volcanic conduit
isfreeaccess_bool	false
container_title	Contributions to mineralogy and petrology
authorswithroles_txt_mv	Pistone, Mattia @@aut@@ Formo, Eric @@aut@@ Whittington, Alan G. @@aut@@ Herbst, Thomas @@aut@@ Cottrell, Elizabeth @@aut@@
publishDateDaySort_date	2022-03-01T00:00:00Z
hierarchy_top_id	25372208X
id	SPR046473335
language_de	englisch
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author	Pistone, Mattia
spellingShingle	Pistone, Mattia misc Degassing misc Crystallisation misc Nanolites misc Magmas misc Volcanic conduit Direct nanoscale observations of degassing-induced crystallisation in felsic magmas
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topic_title	Direct nanoscale observations of degassing-induced crystallisation in felsic magmas Degassing (dpeaa)DE-He213 Crystallisation (dpeaa)DE-He213 Nanolites (dpeaa)DE-He213 Magmas (dpeaa)DE-He213 Volcanic conduit (dpeaa)DE-He213
topic	misc Degassing misc Crystallisation misc Nanolites misc Magmas misc Volcanic conduit
topic_unstemmed	misc Degassing misc Crystallisation misc Nanolites misc Magmas misc Volcanic conduit
topic_browse	misc Degassing misc Crystallisation misc Nanolites misc Magmas misc Volcanic conduit
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title	Direct nanoscale observations of degassing-induced crystallisation in felsic magmas
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title_full	Direct nanoscale observations of degassing-induced crystallisation in felsic magmas
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author_browse	Pistone, Mattia Formo, Eric Whittington, Alan G. Herbst, Thomas Cottrell, Elizabeth
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author-letter	Pistone, Mattia
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title_sort	direct nanoscale observations of degassing-induced crystallisation in felsic magmas
title_auth	Direct nanoscale observations of degassing-induced crystallisation in felsic magmas
abstract	Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstractGer	Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstract_unstemmed	Abstract Water degassing plays a major role in magma transport and eruption by increasing liquidus temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk magma. High spatial resolution textural analysis detailing the dynamics of bubble and crystal growth is key to unravelling the swift changes in magma crystallinity and gas content that affect the conditions of magma flow, fragmentation, and eruption. Ex situ observation of samples from a previous experimental study of magma degassing reveals that vesicles are surrounded by chemically heterogeneous residual glass that may be produced by newly formed minerals that are not observable at the microscale. Here, we present new in situ high-temperature (500–1100 °C), time-elapsed (every ~ 20 min at 200–800 °C, ~ 10 min at 900–1000 °C, and ~ 5 min at 1100 °C) observations of degassing of synthesised, hydrous (4.2 wt.% $ H_{2} $O) dacite glasses using scanning transmission electron microscopy at 0.4 nm resolution. The experiments reproduce degassing of a silicic melt by high-temperature heated stage mounted in the analytical instrument. We monitor the dynamics of nucleation and growth of nanobubbles that experience coalescence and formation of microbubbles and trigger the nucleation and growth of nanolites of plagioclase, clinopyroxene, Fe-Ti oxides, and quartz, at the expense of the residual melt. The ability to image degassing and crystallisation at nanoscale reveals a sequence of complex physical and chemical changes of the residual melt and shows that the kinetics of crystallisation in silicic melts is modulated by the melt’s ability to exsolve fluids that help form mineral nuclei and nanolites. Finally, we highlight that the competition between gas retention and crystallisation is initiated at the nanoscale and may anticipate the role of microlites in controlling rates of magma ascent in a volcanic conduit and modulating the style of the consequent volcanic eruption. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
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title_short	Direct nanoscale observations of degassing-induced crystallisation in felsic magmas
url	https://dx.doi.org/10.1007/s00410-022-01900-1
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author2	Formo, Eric Whittington, Alan G. Herbst, Thomas Cottrell, Elizabeth
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doi_str	10.1007/s00410-022-01900-1
up_date	2024-07-03T22:44:42.609Z
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Direct nanoscale observations of degassing-induced crystallisation in felsic magmas

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