The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

Qiu, Nansheng; Jin, Guang; Mei, Qinghua; Chang, Jian; Wang, Shengjun; Wang, Jing

doi:10.1016/j.jseaes.2011.02.008

Cited by 26 publications

(7 citation statements)

References 38 publications

(32 reference statements)

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“…Some studies suggested that the apatite He closure temperature varies with the cooling time, the effective uranium concentration (eU), radiation damage, particle radii and the F/Cl ratio [8][9][10][11][12]. Recently, we have discovered that thermal histories simulated by apatite He ages using the He closure temperature of the thermal simulation experiments disagreed with actual geological condition in the Tarim basin [13][14][15], contrary to the study result on tectono-thermal evolution of the Tarim basin. Correctly understanding the apatite He closure temperature in a region not only reveals the correct geological information involved in the examined He ages but also provides a basis for related future research.…”

mentioning

confidence: 75%

“…The present study shows that the apatite He closure temperature of the Tarim basin, as a typical cratonic basin, is comparatively high but still lower than the corresponding fissiontrack closure temperature. Thus, the apatite He age is younger than the corresponding fission-track age in the same stratum [15]. The next sections discuss the causes that resulted in high apatite He closure temperature of the Tarim basin.…”

Section: Discussionmentioning

confidence: 95%

“…Recently, we have used the apatite (U-Th)/He ages first to study the South Tianshan and then revealed the rapid uplift during the Neogene [33]. Combined apatite (U-Th)/He and fission track thermochronometries enabled reconstruction of thermal histories between 40°C and 125°C, which provided a better way of studying the thermal histories of basins and mountains [15,19,[33][34][35].…”

Section: Geological Significance Of Apatite He Closure Temperaturementioning

confidence: 99%

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Closure temperature of (U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance

Chang

Qiu

2012

Chin. Sci. Bull.

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The apatite (U-Th)/He thermochronometry has been used to study the tectono-thermal evolution of mountains and sedimentary basins for over ten years. The closure temperature of helium is important for the apatite (U-Th)/He thermochronometry and has been widely studied by thermal simulation experiments. In this paper, the apatite He closure temperature was studied by establishing the evolutionary pattern between apatite He ages and apatite burial depth based on examined apatite He ages of natural samples obtained from drillholes in the Tarim basin, China. The study showed that the apatite He closure temperature of natural samples in the Tarim basin is approximately 88±5°C, higher than the result (~75°C) obtained from the thermal simulation experiments. The high He closure temperature resulted from high effective uranium concentration, long-term radiation damage accumulation, and sufficient particle radii. This study is a reevaluation of the conventional apatite He closure temperature and has a great significance in studying the uplifting events in the late period of the basin-mountain tectonic evolution, of which the uplifting time and rates can be determined accurately.apatite He closure temperature, effective uranium concentration (eU), radiation damage, particle radii, Tarim basin Citation:Chang J, Qiu N S. Closure temperature of (U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance.

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confidence: 75%

Section: Discussionmentioning

confidence: 95%

Section: Geological Significance Of Apatite He Closure Temperaturementioning

confidence: 99%

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Closure temperature of (U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance

Chang

Qiu

2012

Chin. Sci. Bull.

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“…The coal facies are important to deduce the accumulation and subsidence rates of the basin, to define the depositional systems, and to infer the sedimentary processes in the analysis of stratigraphic sequences, and the thermal history evaluation (e.g. Diessel 1992Diessel , 2007Qiu et al 2011;Suarez et al 2012;Singh and Singh 2013). The coal sedimentary environment is important in areas with scarce or without exploration studies, understanding of the depositional environment allow to infer the enrichment of CBM (Hou et al 2019).…”

Section: Basin Analysismentioning

confidence: 99%

Coal petrology analysis and implications in depositional environments from upper Cretaceous to Miocene: a study case in the Eastern Cordillera of Colombia

Guatame

Rincón

2021

Int J Coal Sci Technol

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The Piedemonte Llanero Basin is located on the eastern side of the Eastern Cordillera of the Colombian Andes. It has been the subject of numerous geological studies carried out for the oil sector, mainly. This study presents the coal-petrographical features of 15 coal seams of four geological formations from Late Cretaceous to Middle Miocene (Chipaque formation, Palmichal group, Arcillas del Limbo formation, and San Fernando formation). Analysis of 33 samples indicates enrichment in vitrinite, while liptinite and inertinite concentrations vary according to the stratigraphic position. Reflectance indicates that the coal range gradually decreases from highly volatile bituminous C (Chipaque formation) to subbituminous C (San Fernando formation). The microlithotypes with the highest concentrations are clarite and vitrinertoliptite. Maceral composition and coal facies indicate changes in the depositional conditions of the sequence. The precursor peat from Late Cretaceous to Late Paleocene accumulated under limnic conditions followed by telmatic in Late Eocene–Early Miocene. The coal facies indices show wet conditions in forest swamps with variations in the flooding surface, influxes of brackish water and good tissue preservation. The tectonic conditions along the Piedemonte Llanero basin is evident, from post-rift to foreland basin, evidenced by oxic and anoxic periods reflected in the maceral composition and its morphology. The coal environment corresponds to an estuarine system started in the Chipaque formation evolving to the lacustrine conditions in the San Fernando formation.

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“…The coal petrology in basin analysis contributes to the organic facies understanding. The coal facies are important to deduce the accumulation and subsidence rates of the basin, to de ne the depositional systems, and to infer the sedimentary processes in the analysis of stratigraphic sequences, and the thermal history evaluation (e.g Diessel 1992Diessel , 2007Qiu et al 2011; Suarez et al 2012; Singh and Singh 2013).…”

Section: Basin Analysismentioning

confidence: 99%

Coal petrology analysis and implications in depositional environments from Upper Cretaceous to Miocene: a study case in the Eastern Cordillera of Colombia

Guatame

Rincón

2020

Preprint

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The Piedemonte Llanero basin is located on the eastern side of the Eastern Cordillera of the Colombian Andes. It has been the subject of numerous geological studies carried out for the oil sector, mainly. This study presents the coal-petrographical features of 15 coal seams of four geological formations from Late Cretaceous to Middle Miocene (Chipaque Formation, Palmichal Group, Arcillas del Limbo Formation, and San Fernando Formation). Analysis of 33 samples indicates enrichment in vitrinite, while liptinite and inertinite concentrations vary according to the stratigraphic position. Reflectance indicates that the coal range gradually decreases from highly volatile bituminous C (Chipaque Formation) to subbituminous C (San Fernando Formation). The microlithotypes with the highest concentrations are clarite and vitrinertoliptite.Maceral composition and coal facies indicate changes in the depositional conditions of the sequence. The precursor peat from Late Cretaceous to Late Paleocene accumulated under limnic conditions followed by telmatic in Late Eocene- Early Miocene. The coal facies indices show wet conditions in forest swamps with variations in the flooding surface, influxes of brackish water and good tissue preservation. The tectonic conditions along the Piedemonte Llanero basin is evident, from post-rift to foreland basin, evidenced by oxic and anoxic periods reflected in the maceral composition and its morphology. The coal environment corresponds to an estuarine system started in the Chipaque Formation evolving to the lacustrine conditions in the San Fernando Formation.

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The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

Cited by 26 publications

References 38 publications

Closure temperature of (U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance

Closure temperature of (U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance

Coal petrology analysis and implications in depositional environments from upper Cretaceous to Miocene: a study case in the Eastern Cordillera of Colombia

Coal petrology analysis and implications in depositional environments from Upper Cretaceous to Miocene: a study case in the Eastern Cordillera of Colombia

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