Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings
Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings h...
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Gespeichert in:
| Autor*in: |
Deng, Changzhou [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption - Kılıç Depren, Serpil ELSEVIER, 2022, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:593 ; year:2022 ; day:1 ; month:09 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.epsl.2022.117646 |
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ELV058338756 |
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| 245 | 1 | 0 | |a Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings |
| 264 | 1 | |c 2022transfer abstract | |
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| 520 | |a Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. | ||
| 520 | |a Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. | ||
| 650 | 7 | |a isotopic heterogeneity |2 Elsevier | |
| 650 | 7 | |a recycling |2 Elsevier | |
| 650 | 7 | |a mercury isotopes |2 Elsevier | |
| 650 | 7 | |a intracontinental hydrothermal systems |2 Elsevier | |
| 700 | 1 | |a Lehmann, Bernd |4 oth | |
| 700 | 1 | |a Xiao, Tingting |4 oth | |
| 700 | 1 | |a Tan, Qinping |4 oth | |
| 700 | 1 | |a Chen, Di |4 oth | |
| 700 | 1 | |a Tian, Zhendong |4 oth | |
| 700 | 1 | |a Wang, Xueyun |4 oth | |
| 700 | 1 | |a Sun, Guangyi |4 oth | |
| 700 | 1 | |a Yin, Runsheng |4 oth | |
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10.1016/j.epsl.2022.117646 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001839.pica (DE-627)ELV058338756 (ELSEVIER)S0012-821X(22)00282-5 DE-627 ger DE-627 rakwb eng 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Deng, Changzhou verfasserin aut Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. isotopic heterogeneity Elsevier recycling Elsevier mercury isotopes Elsevier intracontinental hydrothermal systems Elsevier Lehmann, Bernd oth Xiao, Tingting oth Tan, Qinping oth Chen, Di oth Tian, Zhendong oth Wang, Xueyun oth Sun, Guangyi oth Yin, Runsheng oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:593 year:2022 day:1 month:09 pages:0 https://doi.org/10.1016/j.epsl.2022.117646 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 593 2022 1 0901 0 |
| spelling |
10.1016/j.epsl.2022.117646 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001839.pica (DE-627)ELV058338756 (ELSEVIER)S0012-821X(22)00282-5 DE-627 ger DE-627 rakwb eng 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Deng, Changzhou verfasserin aut Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. isotopic heterogeneity Elsevier recycling Elsevier mercury isotopes Elsevier intracontinental hydrothermal systems Elsevier Lehmann, Bernd oth Xiao, Tingting oth Tan, Qinping oth Chen, Di oth Tian, Zhendong oth Wang, Xueyun oth Sun, Guangyi oth Yin, Runsheng oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:593 year:2022 day:1 month:09 pages:0 https://doi.org/10.1016/j.epsl.2022.117646 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 593 2022 1 0901 0 |
| allfields_unstemmed |
10.1016/j.epsl.2022.117646 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001839.pica (DE-627)ELV058338756 (ELSEVIER)S0012-821X(22)00282-5 DE-627 ger DE-627 rakwb eng 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Deng, Changzhou verfasserin aut Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. isotopic heterogeneity Elsevier recycling Elsevier mercury isotopes Elsevier intracontinental hydrothermal systems Elsevier Lehmann, Bernd oth Xiao, Tingting oth Tan, Qinping oth Chen, Di oth Tian, Zhendong oth Wang, Xueyun oth Sun, Guangyi oth Yin, Runsheng oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:593 year:2022 day:1 month:09 pages:0 https://doi.org/10.1016/j.epsl.2022.117646 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 593 2022 1 0901 0 |
| allfieldsGer |
10.1016/j.epsl.2022.117646 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001839.pica (DE-627)ELV058338756 (ELSEVIER)S0012-821X(22)00282-5 DE-627 ger DE-627 rakwb eng 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Deng, Changzhou verfasserin aut Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. isotopic heterogeneity Elsevier recycling Elsevier mercury isotopes Elsevier intracontinental hydrothermal systems Elsevier Lehmann, Bernd oth Xiao, Tingting oth Tan, Qinping oth Chen, Di oth Tian, Zhendong oth Wang, Xueyun oth Sun, Guangyi oth Yin, Runsheng oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:593 year:2022 day:1 month:09 pages:0 https://doi.org/10.1016/j.epsl.2022.117646 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 593 2022 1 0901 0 |
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10.1016/j.epsl.2022.117646 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001839.pica (DE-627)ELV058338756 (ELSEVIER)S0012-821X(22)00282-5 DE-627 ger DE-627 rakwb eng 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Deng, Changzhou verfasserin aut Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. isotopic heterogeneity Elsevier recycling Elsevier mercury isotopes Elsevier intracontinental hydrothermal systems Elsevier Lehmann, Bernd oth Xiao, Tingting oth Tan, Qinping oth Chen, Di oth Tian, Zhendong oth Wang, Xueyun oth Sun, Guangyi oth Yin, Runsheng oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:593 year:2022 day:1 month:09 pages:0 https://doi.org/10.1016/j.epsl.2022.117646 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 593 2022 1 0901 0 |
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intracontinental and arc-related hydrothermal systems display distinct δ 202hg and δ199hg features: implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings |
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Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings |
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Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. |
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Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. |
| abstract_unstemmed |
Mercury isotopes display both mass-dependent and mass-independent fractionation and allow the tracing of pathways and storage of surface-derived Hg in the lithosphere. While the subduction-related orogenic recycling of Hg from marine reservoirs into hydrothermal systems in continental arc settings has been documented recently, the source of Hg in intracontinental hydrothermal systems remains unclear. We measured Hg isotopes in two intracontinental anorogenic/postorogenic Late Mesozoic hydrothermal gold deposits in the South China craton and the Central Asian orogenic belt of northern China, respectively. The ore and sulfide samples from the studied systems have positive δ 202 Hg (0.70 ± 0.39‰, 1SD, n = 49) and negative Δ 199 Hg values (−0.12 ± 0.05‰, 1SD, n = 49). These values are different from their country rocks and regional geological environment (volcanic arc granites, marine sedimentary rocks) which have positive Δ 199 Hg values, but similar to that of their Precambrian supracrustal basement rocks of largely non-marine continental materials. We conclude that Hg in the intracontinental hydrothermal systems was leached from basement rocks by upper crustal basinal fluid circulation driven by regional heat flow, likely due to lithospheric thinning and upwelling of the asthenosphere in the Late Mesozoic. The intracontinental hydrothermal systems and their continental sources with positive δ 202 Hg and negative Δ 199 Hg values are complementary to volcanic-arc and marine sedimentary rocks with opposite δ 202 Hg - Δ 199 Hg compositions. The distinct Hg isotopic features of hydrothermal systems in different tectonic settings, in particular the indelible Δ 199 Hg signature, allow the tracing of large-scale material cycling in the Earth. |
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| title_short |
Intracontinental and arc-related hydrothermal systems display distinct δ 202Hg and Δ199Hg features: Implication for large-scale mercury recycling and isotopic fractionation in different tectonic settings |
| url |
https://doi.org/10.1016/j.epsl.2022.117646 |
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Lehmann, Bernd Xiao, Tingting Tan, Qinping Chen, Di Tian, Zhendong Wang, Xueyun Sun, Guangyi Yin, Runsheng |
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Lehmann, Bernd Xiao, Tingting Tan, Qinping Chen, Di Tian, Zhendong Wang, Xueyun Sun, Guangyi Yin, Runsheng |
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| doi_str |
10.1016/j.epsl.2022.117646 |
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2024-07-06T18:43:54.855Z |
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