Sill geometry and emplacement controlled by a major disconformity in the Tarim Basin, China

Yao, Zewei; He, Guangyu; Li, Chunfeng; Dong, Chuan

doi:10.1016/j.epsl.2018.08.026

Cited by 12 publications

(4 citation statements)

References 37 publications

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“…Yao et al. (2018) found that igneous sills intruding Ordovician strata were developed around the NW and NNE‐trending faults based on seismic reflections features. Li et al.…”

Section: Discussionmentioning

confidence: 99%

“…Since geochemical data have proven the involvement of deep-seated, ultramafic-derived hydrothermal and/or magmatic fluids in dolomitisation and silicification, there is no doubt that these deep-seated hydrothermal fluids can only be transported over long distances by faults. Yao et al (2018) found that igneous sills intruding Ordovician strata were developed around the NW and NNE-trending faults based on seismic reflections features. Li et al (2016) documented that the positions of craters in the study area were jointly controlled by the intersection of early NNE-trending faults and later NW-trending faults.…”

Section: Transport Channelmentioning

confidence: 99%

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Volcanic events‐related hydrothermal dolomitisation and silicification controlled by intra‐cratonic strike‐slip fault systems: Insights from the northern slope of the Tazhong Uplift, Tarim Basin, China

et al. 2021

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Ordovician carbonate rocks on the northern slope of the Tazhong Uplift in the Tarim Basin are modified to varying degrees by hydrothermal fluids related to multiple tectonic-thermal events, but the nature, origin and circulation mechanisms of such hydrothermal fluids remain debated. In this article, in situ rare-earth elements and yttrium (REE + Y) concentrations, previously published geochemical datasets and petrographic investigations are integrated to develop a thermo-tectonic evolution model to improve understanding of silicification and dolomitisation occurring in the interior of the craton basin. δ 30 Si values, REE + Y ratios and fluid mixing models using modern black smoker fluid and seawater indicate that magma-sourced hydrothermal fluids, rather than basinal brine heated by magmatism, are responsible for the precipitation of cherts. Petrological and geochemical evidence suggests that deep-seated, ultramafic-derived hydrothermal fluids and/or magmatic fluids associated with Permian volcanism may have been involved in the formation of hydrothermal dolomites in the study area. Accompanying formation and reactivation of the strike-slip faults on the northern slope of the Tazhong Uplift, small volumes of hydrothermal fluids might have been triggered by seismic pumping. The early formed strike-slip fault systems may also have served as conduits for the subsequent large-scale transport of deep-seated, ultramafic-derived thermal fluids and/or Permian magmatic fluids, along which fluids were transported upwards at high flow rates. Carbonation of ultramafic rocks through interaction with deep-seated hydrothermal fluids rich in CO 2 may have served as a magnesium and silica source for dolomitisation and silicification. Trans-tensional troughs on NNE-trending strike-slip faults with positive flower structure are favourable locations for dolomitisation and silicification.

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“…Yao et al. (2018) found that igneous sills intruding Ordovician strata were developed around the NW and NNE‐trending faults based on seismic reflections features. Li et al.…”

Section: Discussionmentioning

confidence: 99%

Section: Transport Channelmentioning

confidence: 99%

Volcanic events‐related hydrothermal dolomitisation and silicification controlled by intra‐cratonic strike‐slip fault systems: Insights from the northern slope of the Tazhong Uplift, Tarim Basin, China

et al. 2021

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“…With an area of 56 × 104 km 2 , The Tarim Basin is the largest inland basin in Northwestern China, bounded by the Tianshan orogenic belt to the north and northwest, the Kunlun orogenic belt to the southwest and the Altyn orogenic belt to the southeast (C. Jia & Wei, 2002; D. S. Li et al., 1996; Yao et al., 2018; G. Zhu et al., 2013) (Figure 1a). It is a tectonically superimposed basin composed of a Paleozoic craton and Meso‐Cenozoic foreland basins (C. Jia, 1997; S. Zhang et al., 2015).…”

Section: Geological Settingmentioning

confidence: 99%

“… Generalized stratigraphic column showing the Paleozoic strata and discordances in the northern part in the Tarim Basin (modified from Yao et al., 2018). …”

Section: Geological Settingmentioning

confidence: 99%

A Thermal Pulse Induced by a Permian Mantle Plume in the Tarim Basin, Northwest China: Constraints From Clumped Isotope Thermometry and In Situ Calcite U‐Pb Dating

et al. 2021

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On the determination of transportation, range and distribution characteristics of Uranium-238, Thorium-232 and Potassium-40: a critical review

Külahçı

Çiçek

2019

Environ Earth Sci

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Sill geometry and emplacement controlled by a major disconformity in the Tarim Basin, China

Cited by 12 publications

References 37 publications

Volcanic events‐related hydrothermal dolomitisation and silicification controlled by intra‐cratonic strike‐slip fault systems: Insights from the northern slope of the Tazhong Uplift, Tarim Basin, China

Volcanic events‐related hydrothermal dolomitisation and silicification controlled by intra‐cratonic strike‐slip fault systems: Insights from the northern slope of the Tazhong Uplift, Tarim Basin, China

A Thermal Pulse Induced by a Permian Mantle Plume in the Tarim Basin, Northwest China: Constraints From Clumped Isotope Thermometry and In Situ Calcite U‐Pb Dating

On the determination of transportation, range and distribution characteristics of Uranium-238, Thorium-232 and Potassium-40: a critical review

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