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. Joachimski, Michael M. Strauss, Harald Veizer, Ján Schwark, Lorenz

Format:	Artikel
Sprache:	Englisch

Erschienen:	2004

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

Anmerkung:	© Springer-Verlag 2004

Übergeordnetes Werk:	Enthalten in: International journal of earth sciences - Springer-Verlag, 1999, 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:	OLC2070416828

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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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700	1		\|a Strauss, Harald \|4 aut
700	1		\|a Veizer, Ján \|4 aut
700	1		\|a Schwark, Lorenz \|4 aut
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allfields	10.1007/s00531-004-0406-7 doi (DE-627)OLC2070416828 (DE-He213)s00531-004-0406-7-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn 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 ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2004 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 Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran) Kozur, Heinz W. aut Joachimski, Michael M. aut Strauss, Harald aut Veizer, Ján aut Schwark, Lorenz aut Enthalten in International journal of earth sciences Springer-Verlag, 1999 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)270428879 (DE-600)1477582-7 (DE-576)078189780 1437-3254 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_70 GBV_ILN_120 GBV_ILN_121 GBV_ILN_130 GBV_ILN_154 GBV_ILN_183 GBV_ILN_188 GBV_ILN_267 GBV_ILN_381 GBV_ILN_600 GBV_ILN_788 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_2173 GBV_ILN_2346 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4309 GBV_ILN_4311 GBV_ILN_4320 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 AR 93 2004 4 09 565-581
spelling	10.1007/s00531-004-0406-7 doi (DE-627)OLC2070416828 (DE-He213)s00531-004-0406-7-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn 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 ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2004 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 Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran) Kozur, Heinz W. aut Joachimski, Michael M. aut Strauss, Harald aut Veizer, Ján aut Schwark, Lorenz aut Enthalten in International journal of earth sciences Springer-Verlag, 1999 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)270428879 (DE-600)1477582-7 (DE-576)078189780 1437-3254 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_70 GBV_ILN_120 GBV_ILN_121 GBV_ILN_130 GBV_ILN_154 GBV_ILN_183 GBV_ILN_188 GBV_ILN_267 GBV_ILN_381 GBV_ILN_600 GBV_ILN_788 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_2173 GBV_ILN_2346 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4309 GBV_ILN_4311 GBV_ILN_4320 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 AR 93 2004 4 09 565-581
allfields_unstemmed	10.1007/s00531-004-0406-7 doi (DE-627)OLC2070416828 (DE-He213)s00531-004-0406-7-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn 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 ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2004 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 Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran) Kozur, Heinz W. aut Joachimski, Michael M. aut Strauss, Harald aut Veizer, Ján aut Schwark, Lorenz aut Enthalten in International journal of earth sciences Springer-Verlag, 1999 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)270428879 (DE-600)1477582-7 (DE-576)078189780 1437-3254 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_70 GBV_ILN_120 GBV_ILN_121 GBV_ILN_130 GBV_ILN_154 GBV_ILN_183 GBV_ILN_188 GBV_ILN_267 GBV_ILN_381 GBV_ILN_600 GBV_ILN_788 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_2173 GBV_ILN_2346 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4309 GBV_ILN_4311 GBV_ILN_4320 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 AR 93 2004 4 09 565-581
allfieldsGer	10.1007/s00531-004-0406-7 doi (DE-627)OLC2070416828 (DE-He213)s00531-004-0406-7-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn 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 ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2004 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 Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran) Kozur, Heinz W. aut Joachimski, Michael M. aut Strauss, Harald aut Veizer, Ján aut Schwark, Lorenz aut Enthalten in International journal of earth sciences Springer-Verlag, 1999 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)270428879 (DE-600)1477582-7 (DE-576)078189780 1437-3254 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_70 GBV_ILN_120 GBV_ILN_121 GBV_ILN_130 GBV_ILN_154 GBV_ILN_183 GBV_ILN_188 GBV_ILN_267 GBV_ILN_381 GBV_ILN_600 GBV_ILN_788 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_2173 GBV_ILN_2346 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4309 GBV_ILN_4311 GBV_ILN_4320 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 AR 93 2004 4 09 565-581
allfieldsSound	10.1007/s00531-004-0406-7 doi (DE-627)OLC2070416828 (DE-He213)s00531-004-0406-7-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn 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 ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2004 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 Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran) Kozur, Heinz W. aut Joachimski, Michael M. aut Strauss, Harald aut Veizer, Ján aut Schwark, Lorenz aut Enthalten in International journal of earth sciences Springer-Verlag, 1999 93(2004), 4 vom: Sept., Seite 565-581 (DE-627)270428879 (DE-600)1477582-7 (DE-576)078189780 1437-3254 nnns volume:93 year:2004 number:4 month:09 pages:565-581 https://doi.org/10.1007/s00531-004-0406-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_70 GBV_ILN_120 GBV_ILN_121 GBV_ILN_130 GBV_ILN_154 GBV_ILN_183 GBV_ILN_188 GBV_ILN_267 GBV_ILN_381 GBV_ILN_600 GBV_ILN_788 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_2173 GBV_ILN_2346 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4309 GBV_ILN_4311 GBV_ILN_4320 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 AR 93 2004 4 09 565-581
language	English
source	Enthalten in International journal of earth sciences 93(2004), 4 vom: Sept., Seite 565-581 volume:93 year:2004 number:4 month:09 pages:565-581
sourceStr	Enthalten in International journal of earth sciences 93(2004), 4 vom: Sept., Seite 565-581 volume:93 year:2004 number:4 month:09 pages:565-581
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Carbon isotopes Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary Abadeh (Iran)
dewey-raw	550
isfreeaccess_bool	false
container_title	International journal of earth sciences
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
hierarchy_top_id	270428879
dewey-sort	3550
id	OLC2070416828
language_de	englisch
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author	Korte, Christoph
spellingShingle	Korte, Christoph ddc 550 ssgn 13 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
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topic_title	550 VZ 13 ssgn Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran Carbon isotopes Sulfur isotopes Oxygen isotopes Strontium isotopes Permian/Triassic boundary 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
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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	International journal of earth sciences
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author_browse	Korte, Christoph Kozur, Heinz W. Joachimski, Michael M. Strauss, Harald Veizer, Ján Schwark, Lorenz
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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). © Springer-Verlag 2004
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). © Springer-Verlag 2004
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). © Springer-Verlag 2004
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title_short	Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran
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Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, Iran

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