Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale
Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China reg...
Ausführliche Beschreibung
Autor*in: |
Miao, Huan [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2023 |
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Anmerkung: |
© The Author(s) 2023 |
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Übergeordnetes Werk: |
Enthalten in: Geomechanics and geophysics for geo-energy and geo-resources - New York, NY [u.a.] : Springer international, 2015, 9(2023), 1 vom: 16. Okt. |
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Übergeordnetes Werk: |
volume:9 ; year:2023 ; number:1 ; day:16 ; month:10 |
Links: |
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DOI / URN: |
10.1007/s40948-023-00668-3 |
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Katalog-ID: |
SPR053426630 |
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520 | |a Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. | ||
520 | |a Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. | ||
650 | 4 | |a Mesoproterozoic oxygenation event |7 (dpeaa)DE-He213 | |
650 | 4 | |a Organic rich shale |7 (dpeaa)DE-He213 | |
650 | 4 | |a Xiamaling formation |7 (dpeaa)DE-He213 | |
650 | 4 | |a Organic matter accumulation |7 (dpeaa)DE-He213 | |
650 | 4 | |a Paleosedimentary environment |7 (dpeaa)DE-He213 | |
700 | 1 | |a Jiang, Zhenxue |4 aut | |
700 | 1 | |a Tang, Xianglu |4 aut | |
700 | 1 | |a Deng, Ze |4 aut | |
700 | 1 | |a Zhang, Chengju |4 aut | |
700 | 1 | |a Liang, Zhikai |4 aut | |
700 | 1 | |a Shi, Yuguang |4 aut | |
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10.1007/s40948-023-00668-3 doi (DE-627)SPR053426630 (SPR)s40948-023-00668-3-e DE-627 ger DE-627 rakwb eng Miao, Huan verfasserin aut Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 Jiang, Zhenxue aut Tang, Xianglu aut Deng, Ze aut Zhang, Chengju aut Liang, Zhikai aut Shi, Yuguang aut Enthalten in Geomechanics and geophysics for geo-energy and geo-resources New York, NY [u.a.] : Springer international, 2015 9(2023), 1 vom: 16. Okt. (DE-627)827603401 (DE-600)2823606-3 2363-8427 nnns volume:9 year:2023 number:1 day:16 month:10 https://dx.doi.org/10.1007/s40948-023-00668-3 kostenfrei 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_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 1 16 10 |
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10.1007/s40948-023-00668-3 doi (DE-627)SPR053426630 (SPR)s40948-023-00668-3-e DE-627 ger DE-627 rakwb eng Miao, Huan verfasserin aut Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 Jiang, Zhenxue aut Tang, Xianglu aut Deng, Ze aut Zhang, Chengju aut Liang, Zhikai aut Shi, Yuguang aut Enthalten in Geomechanics and geophysics for geo-energy and geo-resources New York, NY [u.a.] : Springer international, 2015 9(2023), 1 vom: 16. Okt. (DE-627)827603401 (DE-600)2823606-3 2363-8427 nnns volume:9 year:2023 number:1 day:16 month:10 https://dx.doi.org/10.1007/s40948-023-00668-3 kostenfrei 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_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 1 16 10 |
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10.1007/s40948-023-00668-3 doi (DE-627)SPR053426630 (SPR)s40948-023-00668-3-e DE-627 ger DE-627 rakwb eng Miao, Huan verfasserin aut Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 Jiang, Zhenxue aut Tang, Xianglu aut Deng, Ze aut Zhang, Chengju aut Liang, Zhikai aut Shi, Yuguang aut Enthalten in Geomechanics and geophysics for geo-energy and geo-resources New York, NY [u.a.] : Springer international, 2015 9(2023), 1 vom: 16. Okt. (DE-627)827603401 (DE-600)2823606-3 2363-8427 nnns volume:9 year:2023 number:1 day:16 month:10 https://dx.doi.org/10.1007/s40948-023-00668-3 kostenfrei 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_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 1 16 10 |
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10.1007/s40948-023-00668-3 doi (DE-627)SPR053426630 (SPR)s40948-023-00668-3-e DE-627 ger DE-627 rakwb eng Miao, Huan verfasserin aut Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 Jiang, Zhenxue aut Tang, Xianglu aut Deng, Ze aut Zhang, Chengju aut Liang, Zhikai aut Shi, Yuguang aut Enthalten in Geomechanics and geophysics for geo-energy and geo-resources New York, NY [u.a.] : Springer international, 2015 9(2023), 1 vom: 16. Okt. (DE-627)827603401 (DE-600)2823606-3 2363-8427 nnns volume:9 year:2023 number:1 day:16 month:10 https://dx.doi.org/10.1007/s40948-023-00668-3 kostenfrei 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_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 1 16 10 |
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10.1007/s40948-023-00668-3 doi (DE-627)SPR053426630 (SPR)s40948-023-00668-3-e DE-627 ger DE-627 rakwb eng Miao, Huan verfasserin aut Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 Jiang, Zhenxue aut Tang, Xianglu aut Deng, Ze aut Zhang, Chengju aut Liang, Zhikai aut Shi, Yuguang aut Enthalten in Geomechanics and geophysics for geo-energy and geo-resources New York, NY [u.a.] : Springer international, 2015 9(2023), 1 vom: 16. Okt. (DE-627)827603401 (DE-600)2823606-3 2363-8427 nnns volume:9 year:2023 number:1 day:16 month:10 https://dx.doi.org/10.1007/s40948-023-00668-3 kostenfrei 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_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 1 16 10 |
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English |
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Enthalten in Geomechanics and geophysics for geo-energy and geo-resources 9(2023), 1 vom: 16. Okt. volume:9 year:2023 number:1 day:16 month:10 |
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Enthalten in Geomechanics and geophysics for geo-energy and geo-resources 9(2023), 1 vom: 16. Okt. volume:9 year:2023 number:1 day:16 month:10 |
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Article |
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Mesoproterozoic oxygenation event Organic rich shale Xiamaling formation Organic matter accumulation Paleosedimentary environment |
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Miao, Huan misc Mesoproterozoic oxygenation event misc Organic rich shale misc Xiamaling formation misc Organic matter accumulation misc Paleosedimentary environment Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale |
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Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale Mesoproterozoic oxygenation event (dpeaa)DE-He213 Organic rich shale (dpeaa)DE-He213 Xiamaling formation (dpeaa)DE-He213 Organic matter accumulation (dpeaa)DE-He213 Paleosedimentary environment (dpeaa)DE-He213 |
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hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the xiamaling formation shale |
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Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale |
abstract |
Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. © The Author(s) 2023 |
abstractGer |
Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. © The Author(s) 2023 |
abstract_unstemmed |
Abstract A significant deposition of black shales occurred during the Mesoproterozoic Oxygenation Event (MOE). In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales. Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments. © The Author(s) 2023 |
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Hydrocarbon generation potential and organic matter accumulation patterns in organic-rich shale during the mesoproterozoic oxygenation event: evidence from the Xiamaling formation shale |
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In order to investigate the hydrocarbon generation potential and organic matter enrichment mechanism of these shale deposits, we studied the Xiamaling Formation shale in the North China region as a representative sample of the Mesoproterozoic shale. The research involved organic petrology, organic geochemistry, mineralogy, and elemental geochemistry. The following observations were made: (1) The depositional environment of the Xiamaling Formation shale can be categorized as either oxic or anoxic, with the former having shallow depositional waters and high deposition rates, while the latter has deeper depositional waters and slower deposition rates. (2) Anoxic shales exhibited significantly better hydrocarbon generation potential compared to shales deposited in oxic environments, although the latter still demonstrated high hydrocarbon generation potential. (3) Shales deposited in anoxic environments displayed higher paleoproductivity compared to those deposited in oxic environments. The high deposition rate in oxic environments slowed the decomposition and mineralization of organic matter, leading to the formation of high-quality shales. In contrast, the strong paleoproductivity, along with favorable preservation conditions, accounted for the high hydrocarbon potential of anoxic shales.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Article Highlights Two types of shales with different genesis were deposited under the MOE.Shales deposited in oxic environments have good hydrocarbon potential.Shales formed in anoxic environments are higher quality than those in oxic environments.High deposition rates are key to forming high quality shales in oxic environments.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Mesoproterozoic oxygenation event</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Organic rich shale</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Xiamaling formation</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Organic matter accumulation</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Paleosedimentary environment</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Jiang, Zhenxue</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tang, Xianglu</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Deng, Ze</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Chengju</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liang, Zhikai</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Shi, Yuguang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Geomechanics and geophysics for geo-energy and geo-resources</subfield><subfield code="d">New York, NY [u.a.] : Springer international, 2015</subfield><subfield code="g">9(2023), 1 vom: 16. 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