Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India
Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones fro...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Madhavaraju, Jayagopal [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Anmerkung: |
© The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 |
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| Übergeordnetes Werk: |
Enthalten in: Geosciences journal - Seoul : Springer, 1997, 19(2014), 2 vom: 24. Sept., Seite 237-256 |
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| Übergeordnetes Werk: |
volume:19 ; year:2014 ; number:2 ; day:24 ; month:09 ; pages:237-256 |
| Links: |
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| DOI / URN: |
10.1007/s12303-014-0039-1 |
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| Katalog-ID: |
SPR024872156 |
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| 100 | 1 | |a Madhavaraju, Jayagopal |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
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| 520 | |a Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. | ||
| 650 | 4 | |a stable isotopes |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a strontium isotopes |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a diagenesis |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Maastrichtian-Danian age |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Rakhinath, Reghunathan |4 aut | |
| 700 | 1 | |a Ramasamy, Sooriamuthu |4 aut | |
| 700 | 1 | |a Lee, Yong IL |4 aut | |
| 700 | 1 | |a Ramachandran, Ariputhiran |4 aut | |
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10.1007/s12303-014-0039-1 doi (DE-627)SPR024872156 (SPR)s12303-014-0039-1-e DE-627 ger DE-627 rakwb eng Madhavaraju, Jayagopal verfasserin aut Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 Sial, Alcides N. aut Rakhinath, Reghunathan aut Ramasamy, Sooriamuthu aut Lee, Yong IL aut Ramachandran, Ariputhiran aut Enthalten in Geosciences journal Seoul : Springer, 1997 19(2014), 2 vom: 24. Sept., Seite 237-256 (DE-627)383957834 (DE-600)2140684-4 1598-7477 nnns volume:19 year:2014 number:2 day:24 month:09 pages:237-256 https://dx.doi.org/10.1007/s12303-014-0039-1 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_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 19 2014 2 24 09 237-256 |
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10.1007/s12303-014-0039-1 doi (DE-627)SPR024872156 (SPR)s12303-014-0039-1-e DE-627 ger DE-627 rakwb eng Madhavaraju, Jayagopal verfasserin aut Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 Sial, Alcides N. aut Rakhinath, Reghunathan aut Ramasamy, Sooriamuthu aut Lee, Yong IL aut Ramachandran, Ariputhiran aut Enthalten in Geosciences journal Seoul : Springer, 1997 19(2014), 2 vom: 24. Sept., Seite 237-256 (DE-627)383957834 (DE-600)2140684-4 1598-7477 nnns volume:19 year:2014 number:2 day:24 month:09 pages:237-256 https://dx.doi.org/10.1007/s12303-014-0039-1 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_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 19 2014 2 24 09 237-256 |
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10.1007/s12303-014-0039-1 doi (DE-627)SPR024872156 (SPR)s12303-014-0039-1-e DE-627 ger DE-627 rakwb eng Madhavaraju, Jayagopal verfasserin aut Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 Sial, Alcides N. aut Rakhinath, Reghunathan aut Ramasamy, Sooriamuthu aut Lee, Yong IL aut Ramachandran, Ariputhiran aut Enthalten in Geosciences journal Seoul : Springer, 1997 19(2014), 2 vom: 24. Sept., Seite 237-256 (DE-627)383957834 (DE-600)2140684-4 1598-7477 nnns volume:19 year:2014 number:2 day:24 month:09 pages:237-256 https://dx.doi.org/10.1007/s12303-014-0039-1 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_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 19 2014 2 24 09 237-256 |
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10.1007/s12303-014-0039-1 doi (DE-627)SPR024872156 (SPR)s12303-014-0039-1-e DE-627 ger DE-627 rakwb eng Madhavaraju, Jayagopal verfasserin aut Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 Sial, Alcides N. aut Rakhinath, Reghunathan aut Ramasamy, Sooriamuthu aut Lee, Yong IL aut Ramachandran, Ariputhiran aut Enthalten in Geosciences journal Seoul : Springer, 1997 19(2014), 2 vom: 24. Sept., Seite 237-256 (DE-627)383957834 (DE-600)2140684-4 1598-7477 nnns volume:19 year:2014 number:2 day:24 month:09 pages:237-256 https://dx.doi.org/10.1007/s12303-014-0039-1 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_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 19 2014 2 24 09 237-256 |
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10.1007/s12303-014-0039-1 doi (DE-627)SPR024872156 (SPR)s12303-014-0039-1-e DE-627 ger DE-627 rakwb eng Madhavaraju, Jayagopal verfasserin aut Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 Sial, Alcides N. aut Rakhinath, Reghunathan aut Ramasamy, Sooriamuthu aut Lee, Yong IL aut Ramachandran, Ariputhiran aut Enthalten in Geosciences journal Seoul : Springer, 1997 19(2014), 2 vom: 24. Sept., Seite 237-256 (DE-627)383957834 (DE-600)2140684-4 1598-7477 nnns volume:19 year:2014 number:2 day:24 month:09 pages:237-256 https://dx.doi.org/10.1007/s12303-014-0039-1 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_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 19 2014 2 24 09 237-256 |
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Enthalten in Geosciences journal 19(2014), 2 vom: 24. Sept., Seite 237-256 volume:19 year:2014 number:2 day:24 month:09 pages:237-256 |
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Madhavaraju, Jayagopal @@aut@@ Sial, Alcides N. @@aut@@ Rakhinath, Reghunathan @@aut@@ Ramasamy, Sooriamuthu @@aut@@ Lee, Yong IL @@aut@@ Ramachandran, Ariputhiran @@aut@@ |
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The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. 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Madhavaraju, Jayagopal |
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Madhavaraju, Jayagopal misc stable isotopes misc strontium isotopes misc diagenesis misc Maastrichtian-Danian age misc South India Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
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Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India stable isotopes (dpeaa)DE-He213 strontium isotopes (dpeaa)DE-He213 diagenesis (dpeaa)DE-He213 Maastrichtian-Danian age (dpeaa)DE-He213 South India (dpeaa)DE-He213 |
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misc stable isotopes misc strontium isotopes misc diagenesis misc Maastrichtian-Danian age misc South India |
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misc stable isotopes misc strontium isotopes misc diagenesis misc Maastrichtian-Danian age misc South India |
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Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
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Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
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Madhavaraju, Jayagopal Sial, Alcides N. Rakhinath, Reghunathan Ramasamy, Sooriamuthu Lee, Yong IL Ramachandran, Ariputhiran |
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carbon, oxygen and strontium isotopic signatures in maastrichtian-danian limestones of the cauvery basin, south india |
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Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
| abstract |
Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 |
| abstractGer |
Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 |
| abstract_unstemmed |
Abstract A petrographic, carbon, oxygen and strontium study of the carbonate succession of the shallow marine Kallankurichchi and Niniyur formations of the Cauvery Basin, Tamil Nadu, India was conducted to understand the isotopic variations in seawater during Maastrichtian-Danian. The limestones from both the Kallankurichchi and Niniyur formations show large variations in Mn and Sr concentrations and high Mn/Sr ratios indicate alterations of primary isotopic signatures during shallow burial diagenesis. The limestones of both the Kallankurichchi and Niniyur formations show negative $ δ^{13} $C (−4.73 to −0.49‰ VPDB; −5.63 to −1.87‰ VPDB; respectively) and −18O values (−8.89 to −3.66‰ VPDB; −8.56 to −5.41‰ VPDB; respectively). The carbon and oxygen isotope composition, $ δ^{13} $C vs. $ δ^{18} $O plot and Mn/Sr ratio suggest that the measured $ δ^{13} $C and $ δ^{18} $O values have been significantly altered during diagenesis. The limestones from both the Kallankurichchi and Niniyur formations show large variations in 87Sr/86Sr values (0.709310 to 0.711962; 0.708280 to 0.708398, respectively) which are higher than 87Sr/86Sr ratios of the contemporary Lower Maastrichtian (87Sr/86Sr: 0.707760) and Danian (0.707819 to 0.707833) seawaters. The elevated 87Sr/86Sr ratios in the limestones of the Kallankurichchi Formation suggest that these limestones were significantly modified by pore fluids during meteoric diagenesis. The observed large fluctuations in 87Sr/86Sr ratios in the Niniyur Formation resulted from variations in riverine input. One sample from the Niniyur Formation exhibits an unaltered 87Sr/86Sr ratio (0.707828) which is interpreted to indicate an age of 65.02 Ma. © The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2015 |
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| title_short |
Carbon, oxygen and strontium isotopic signatures in Maastrichtian-Danian limestones of the Cauvery Basin, South India |
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https://dx.doi.org/10.1007/s12303-014-0039-1 |
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Sial, Alcides N. Rakhinath, Reghunathan Ramasamy, Sooriamuthu Lee, Yong IL Ramachandran, Ariputhiran |
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Sial, Alcides N. Rakhinath, Reghunathan Ramasamy, Sooriamuthu Lee, Yong IL Ramachandran, Ariputhiran |
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2024-07-04T02:41:02.239Z |
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| score |
7.400937 |