Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions
Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quant...
Ausführliche Beschreibung
Autor*in: |
Anh Nguyen [verfasserIn] Rinat Gabitov [verfasserIn] Angel Jimenez [verfasserIn] Andrew Dygert [verfasserIn] Jac Varco [verfasserIn] Alberto Pérez-Huerta [verfasserIn] Artas Migdisov [verfasserIn] Varun Paul [verfasserIn] Brenda Kirkland [verfasserIn] Padmanava Dash [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Übergeordnetes Werk: |
In: Minerals - MDPI AG, 2012, 11(2021), 10, p 1052 |
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Übergeordnetes Werk: |
volume:11 ; year:2021 ; number:10, p 1052 |
Links: |
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DOI / URN: |
10.3390/min11101052 |
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Katalog-ID: |
DOAJ077300521 |
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520 | |a Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. | ||
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10.3390/min11101052 doi (DE-627)DOAJ077300521 (DE-599)DOAJ5b4b80ad55114b56ac10de467794757d DE-627 ger DE-627 rakwb eng QE351-399.2 Anh Nguyen verfasserin aut Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. stable isotope aragonite–calcite transformation Sr/Ca Mg/Ca hydrothermal Mineralogy Rinat Gabitov verfasserin aut Angel Jimenez verfasserin aut Andrew Dygert verfasserin aut Jac Varco verfasserin aut Alberto Pérez-Huerta verfasserin aut Artas Migdisov verfasserin aut Varun Paul verfasserin aut Brenda Kirkland verfasserin aut Padmanava Dash verfasserin aut In Minerals MDPI AG, 2012 11(2021), 10, p 1052 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:11 year:2021 number:10, p 1052 https://doi.org/10.3390/min11101052 kostenfrei https://doaj.org/article/5b4b80ad55114b56ac10de467794757d kostenfrei https://www.mdpi.com/2075-163X/11/10/1052 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 10, p 1052 |
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10.3390/min11101052 doi (DE-627)DOAJ077300521 (DE-599)DOAJ5b4b80ad55114b56ac10de467794757d DE-627 ger DE-627 rakwb eng QE351-399.2 Anh Nguyen verfasserin aut Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. stable isotope aragonite–calcite transformation Sr/Ca Mg/Ca hydrothermal Mineralogy Rinat Gabitov verfasserin aut Angel Jimenez verfasserin aut Andrew Dygert verfasserin aut Jac Varco verfasserin aut Alberto Pérez-Huerta verfasserin aut Artas Migdisov verfasserin aut Varun Paul verfasserin aut Brenda Kirkland verfasserin aut Padmanava Dash verfasserin aut In Minerals MDPI AG, 2012 11(2021), 10, p 1052 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:11 year:2021 number:10, p 1052 https://doi.org/10.3390/min11101052 kostenfrei https://doaj.org/article/5b4b80ad55114b56ac10de467794757d kostenfrei https://www.mdpi.com/2075-163X/11/10/1052 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 10, p 1052 |
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10.3390/min11101052 doi (DE-627)DOAJ077300521 (DE-599)DOAJ5b4b80ad55114b56ac10de467794757d DE-627 ger DE-627 rakwb eng QE351-399.2 Anh Nguyen verfasserin aut Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. stable isotope aragonite–calcite transformation Sr/Ca Mg/Ca hydrothermal Mineralogy Rinat Gabitov verfasserin aut Angel Jimenez verfasserin aut Andrew Dygert verfasserin aut Jac Varco verfasserin aut Alberto Pérez-Huerta verfasserin aut Artas Migdisov verfasserin aut Varun Paul verfasserin aut Brenda Kirkland verfasserin aut Padmanava Dash verfasserin aut In Minerals MDPI AG, 2012 11(2021), 10, p 1052 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:11 year:2021 number:10, p 1052 https://doi.org/10.3390/min11101052 kostenfrei https://doaj.org/article/5b4b80ad55114b56ac10de467794757d kostenfrei https://www.mdpi.com/2075-163X/11/10/1052 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 10, p 1052 |
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10.3390/min11101052 doi (DE-627)DOAJ077300521 (DE-599)DOAJ5b4b80ad55114b56ac10de467794757d DE-627 ger DE-627 rakwb eng QE351-399.2 Anh Nguyen verfasserin aut Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. stable isotope aragonite–calcite transformation Sr/Ca Mg/Ca hydrothermal Mineralogy Rinat Gabitov verfasserin aut Angel Jimenez verfasserin aut Andrew Dygert verfasserin aut Jac Varco verfasserin aut Alberto Pérez-Huerta verfasserin aut Artas Migdisov verfasserin aut Varun Paul verfasserin aut Brenda Kirkland verfasserin aut Padmanava Dash verfasserin aut In Minerals MDPI AG, 2012 11(2021), 10, p 1052 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:11 year:2021 number:10, p 1052 https://doi.org/10.3390/min11101052 kostenfrei https://doaj.org/article/5b4b80ad55114b56ac10de467794757d kostenfrei https://www.mdpi.com/2075-163X/11/10/1052 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 10, p 1052 |
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Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions |
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Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. |
abstractGer |
Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. |
abstract_unstemmed |
Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of aragonite (a protolith). This study focused on quantification of the retention of Mg/Ca and Sr/Ca ratios, and δ<sup<18</sup<O during the transformation process as well as evaluation of the transformation rate. To investigate the effect of transformation from aragonite to calcite on elemental and stable isotope ratios, we conducted a series of experiments in NaCl solutions at temperatures between 120 and 184 °C. Two additional experiments at 250 °C were conducted to estimate the transformation rate of aragonite to calcite. Protolith materials consist of (1) synthetic (Mg; Sr-bearing or non-Mg; Sr bearing) needle-shaped microcrystals of aragonite (<5 µm in size) and (2) larger chips (<100 µm in size) of natural aragonite. X-ray diffraction (XRD) showed that microcrystals successfully transformed to calcite within 30 h and scanning electron microscopy (SEM) yielded a change in the crystal size to <10 µm in rhombohedral shape. Electron backscatter diffraction (EBSD) of the larger aragonite chips showed that transformation to randomly oriented calcite occurred at the rims and along the cracks while the core retained an aragonite crystal structure. Isotope-ratio mass spectrometry (IRMS) analyses showed that calcite δ<sup<18</sup<O was controlled by temperature and δ<sup<18</sup<O of the solution. The obtained calibration curve of isotope fractionation factor versus temperature is consistent with other studies. Inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses showed that calcite partially or completely retained Mg/Ca and Sr/Ca ratios through the transformation. |
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container_issue |
10, p 1052 |
title_short |
Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions |
url |
https://doi.org/10.3390/min11101052 https://doaj.org/article/5b4b80ad55114b56ac10de467794757d https://www.mdpi.com/2075-163X/11/10/1052 https://doaj.org/toc/2075-163X |
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Rinat Gabitov Angel Jimenez Andrew Dygert Jac Varco Alberto Pérez-Huerta Artas Migdisov Varun Paul Brenda Kirkland Padmanava Dash |
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Rinat Gabitov Angel Jimenez Andrew Dygert Jac Varco Alberto Pérez-Huerta Artas Migdisov Varun Paul Brenda Kirkland Padmanava Dash |
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up_date |
2024-07-04T00:41:24.286Z |
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