Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran

Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Korte, Christoph [verfasserIn] Kozur, Heinz W. [verfasserIn] Joachimski, Michael M. [verfasserIn] Strauss, Harald [verfasserIn] Veizer, Ján [verfasserIn] Schwark, Lorenz [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2004

Schlagwörter:	Carbon isotopes Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran)

Übergeordnetes Werk:	Enthalten in: Geologische Rundschau - Berlin : Springer, 1910, 93(2004), 4 vom: Sept., Seite 565-581
Übergeordnetes Werk:	volume:93 ; year:2004 ; number:4 ; month:09 ; pages:565-581

Links:	Volltext

DOI / URN:	10.1007/s00531-004-0406-7

Katalog-ID:	SPR006711626

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520			\|a Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian).
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allfields	10.1007/s00531-004-0406-7 doi (DE-627)SPR006711626 (SPR)s00531-004-0406-7-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Korte, Christoph verfasserin aut Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213 Kozur, Heinz W. verfasserin aut Joachimski, Michael M. verfasserin aut Strauss, Harald verfasserin aut Veizer, Ján verfasserin aut Schwark, Lorenz verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://dx.doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 93 2004 4 09 565-581
spelling	10.1007/s00531-004-0406-7 doi (DE-627)SPR006711626 (SPR)s00531-004-0406-7-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Korte, Christoph verfasserin aut Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213 Kozur, Heinz W. verfasserin aut Joachimski, Michael M. verfasserin aut Strauss, Harald verfasserin aut Veizer, Ján verfasserin aut Schwark, Lorenz verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://dx.doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 93 2004 4 09 565-581
allfields_unstemmed	10.1007/s00531-004-0406-7 doi (DE-627)SPR006711626 (SPR)s00531-004-0406-7-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Korte, Christoph verfasserin aut Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213 Kozur, Heinz W. verfasserin aut Joachimski, Michael M. verfasserin aut Strauss, Harald verfasserin aut Veizer, Ján verfasserin aut Schwark, Lorenz verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://dx.doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 93 2004 4 09 565-581
allfieldsGer	10.1007/s00531-004-0406-7 doi (DE-627)SPR006711626 (SPR)s00531-004-0406-7-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Korte, Christoph verfasserin aut Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213 Kozur, Heinz W. verfasserin aut Joachimski, Michael M. verfasserin aut Strauss, Harald verfasserin aut Veizer, Ján verfasserin aut Schwark, Lorenz verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://dx.doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 93 2004 4 09 565-581
allfieldsSound	10.1007/s00531-004-0406-7 doi (DE-627)SPR006711626 (SPR)s00531-004-0406-7-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Korte, Christoph verfasserin aut Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian). Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213 Kozur, Heinz W. verfasserin aut Joachimski, Michael M. verfasserin aut Strauss, Harald verfasserin aut Veizer, Ján verfasserin aut Schwark, Lorenz verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://dx.doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 93 2004 4 09 565-581
language	English
source	Enthalten in Geologische Rundschau 93(2004), 4 vom: Sept., Seite 565-581 volume:93 year:2004 number:4 month:09 pages:565-581
sourceStr	Enthalten in Geologische Rundschau 93(2004), 4 vom: Sept., Seite 565-581 volume:93 year:2004 number:4 month:09 pages:565-581
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institution	findex.gbv.de
topic_facet	Carbon isotopes Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran)
dewey-raw	550
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container_title	Geologische Rundschau
authorswithroles_txt_mv	Korte, Christoph @@aut@@ Kozur, Heinz W. @@aut@@ Joachimski, Michael M. @@aut@@ Strauss, Harald @@aut@@ Veizer, Ján @@aut@@ Schwark, Lorenz @@aut@@
publishDateDaySort_date	2004-09-01T00:00:00Z
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dewey-sort	3550
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author	Korte, Christoph
spellingShingle	Korte, Christoph ddc 550 bkl 38.10 misc Carbon isotopes misc Sulfur isotopes misc Oxygen isotopes misc Strontium isotopes misc Permian/Triassic boundary misc Abadeh (Iran) Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
authorStr	Korte, Christoph
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topic_title	550 ASE 38.10 bkl Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran Carbon isotopes (dpeaa)DE-He213 Sulfur isotopes (dpeaa)DE-He213 Oxygen isotopes (dpeaa)DE-He213 Strontium isotopes (dpeaa)DE-He213 Permian/Triassic boundary (dpeaa)DE-He213 Abadeh (Iran) (dpeaa)DE-He213
topic	ddc 550 bkl 38.10 misc Carbon isotopes misc Sulfur isotopes misc Oxygen isotopes misc Strontium isotopes misc Permian/Triassic boundary misc Abadeh (Iran)
topic_unstemmed	ddc 550 bkl 38.10 misc Carbon isotopes misc Sulfur isotopes misc Oxygen isotopes misc Strontium isotopes misc Permian/Triassic boundary misc Abadeh (Iran)
topic_browse	ddc 550 bkl 38.10 misc Carbon isotopes misc Sulfur isotopes misc Oxygen isotopes misc Strontium isotopes misc Permian/Triassic boundary misc Abadeh (Iran)
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title	Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
ctrlnum	(DE-627)SPR006711626 (SPR)s00531-004-0406-7-e
title_full	Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
author_sort	Korte, Christoph
journal	Geologische Rundschau
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author_browse	Korte, Christoph Kozur, Heinz W. Joachimski, Michael M. Strauss, Harald Veizer, Ján Schwark, Lorenz
container_volume	93
class	550 ASE 38.10 bkl
format_se	Elektronische Aufsätze
author-letter	Korte, Christoph
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title_sort	carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the permian/triassic boundary in abadeh, iran
title_auth	Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
abstract	Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian).
abstractGer	Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian).
abstract_unstemmed	Abstract Pelagic deposits at Abadeh represent a complete biostratigraphic record across the Permian/Triassic boundary (PTB). The presumed water depth during deposition of these sediments was between 60 and 90 m. Similar to other Permian/Triassic boundary sections, the succession at Abadeh is characterised by a negative carbon isotope shift of approximately 4‰. The values start to decrease in the lower C. changxingensis - C. deflecta s.l. Zone, reach −0.12‰ (V-PDB) in the uppermost Permian just below the PTB, remain low to the early I. isarcica Zone (−0.32‰) and increase subsequently in the upper I. isarcica Zone. For the time interval of the PTB negative carbon isotope excursion, between the C. iranica and the I. isarcica Zones, no correlation exists between the $ δ^{13} %$ C_{carb} $ and the $ δ^{18} %$ O_{carb} $. The above observations argue against the conclusion of Heydari et al. (2001) that the carbon isotope event at the P/T transition is an alteration artefact and not a global signal. The decrease in $ δ^{13} %$ C_{carb} $ is accompanied by a ~5‰ (and potentially up to 10‰) increase in $ δ^{34} %$ S_{SSS} $. Together, these features are thought to reflect a complex global event, notably the development of widespread anoxic oceans with anoxic bottom layers rising onto the shelves. For the carbon isotope drop, other factors, such as the collapse of ocean primary productivity may also have played a role. The 87Sr/86Sr ratios of Dzhulfian seawater show only a minor increase from 0.70705 to 0.70710, reaching 0.70720 in the Dorashamian. The increase becomes steeper in the Early Triassic reaching 0.70754 in the N. dieneri Zone. The rise of the strontium isotope values is thought to be related to enhanced continental weathering under humid climatic conditions in the uppermost Permian (C. meishanensis - H. praeparvus Zone) and the lack of a dense land vegetation in the Early Triassic, prior to the Spathian (Upper Olenekian).
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container_issue	4
title_short	Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
url	https://dx.doi.org/10.1007/s00531-004-0406-7
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author2	Kozur, Heinz W. Joachimski, Michael M. Strauss, Harald Veizer, Ján Schwark, Lorenz
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