Temporal changes in an epeiric paralic deposition during a third-order relative sea-level cycle (Late Pennsylvanian, western North China): Insights from integrated facies and sequence stratigraphic analysis

Liu, Jincheng; Cao, Daiyong; Zhang, Yan; Yong, Li

doi:10.1016/j.jseaes.2020.104349

Cited by 9 publications

(2 citation statements)

References 81 publications

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“…The transgressively modified MRS is observed to be separated from the subaerial unconformity (SU) by the falling-stage and/or lowstand fluvial channel (FA1) deposits in HFC-1 (Figure S1a). Lateral correlation of the Ximing Sandstone across the study area has demonstrated that the falling-stage and/or lowstand fluvial channel and the overlying transgressive estuarine fill are contained within a regionally developed incised valley (named Linxing paleovalley; Figure S1b) which developed during the previous fall in relative sea level [42].…”

Section: Stratigraphic Architecture and Depositional Evolutionmentioning

confidence: 99%

“…The Ximing Sandstone-to-No. 9 Coal succession of the Taiyuan Formation in the Linxing gas field was interpreted to record the complex internal architecture of a transgressive succession developed in the western coast of the late Pennsylvanian North China cratonic epeiric sea [42], making it an excellent case study for deciphering the coastal depositional responses to the relative sea-level rise in cratonic or epicontinental basins. This study performed facies, sequence stratigraphic, and grain-size analyses of the Ximing Sandstoneto-No.…”

Section: Introductionmentioning

confidence: 99%

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Coastal Depositional Responses to Relative Sea-Level Rise: Insights from a Superimposed Sandstone–Shale–Coal Reservoir in the Linxing Gas Field, China

2023

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The Ximing Sandstone-to-No. 9 Coal succession of the Taiyuan Formation in the Linxing gas field records a complex internal architecture of a transgressive succession developed in the western coast of the late Pennsylvanian North China epeiric sea. Facies and sequence stratigraphic analyses reveal its depositional evolution from fluvial channels through fluvial-dominated and tide-influenced inner estuaries to tide-dominated estuaries and finally to wave-dominated barrier lagoons. The evolution from fluvial- to tide-dominated deposition has been ascribed to the funnel-shaped valley coupled with an increased tidal prism induced by the upstepping and backstepping shoreline. The evolution from tide- to wave-dominated deposition has been ascribed to the wide North China epeiric seaway lacking local coastline irregularities after the incised-valley fill that provided sufficient fetch for the occurrence of large storm waves. Grain-size analysis reveals the relative importance of traction, saltation, dispersed suspension, and flocculated suspension in the development of the transgressive estuarine to lagoonal deposits. This study not only contributes to a proper understanding of coastal depositional response to the relative sea-level rise but also provides a context within which to interpret the symbiotic relationship of the superimposed sandstone–shale–coal reservoirs and predict the distribution of favorable unconventional gas production formation.

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Section: Stratigraphic Architecture and Depositional Evolutionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Coastal Depositional Responses to Relative Sea-Level Rise: Insights from a Superimposed Sandstone–Shale–Coal Reservoir in the Linxing Gas Field, China

2023

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Mineralogy, Geochemistry, and Genesis of Kaolinitic Claystone Deposits in the Datong Coalfield, Northern China

Liu

Algeo

et al. 2021

Clays and clay miner.

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Gray-black kaolinitic claystones of industrial value are abundant in Upper Carboniferous–Lower Permian coal-bearing strata of the Datong Coalfield of northern China. The main types are tonsteins and cryptocrystalline kaolinitic claystones, distinguished by the thinness and greater crystallinity of kaolinite in the former and by the presence of detrital illite and authigenic pyrite in the latter. In order to determine the formation history of these two types of kaolinitic claystone, the petrological, mineralogical, and geochemical characteristics of borehole samples from the Upper Carboniferous Taiyuan Formation which comprises siliciclastics and coal seams deposited in a coastal environment, were analyzed. In addition to kaolinite, the claystones contain subordinate illite, quartz, pyrite, anatase, feldspar, siderite, and calcite. The tonsteins and cryptocrystalline kaolinitic claystones have different sources, as shown by petrographic data, elemental ratios, and chondrite-normalized rare earth element (REE) patterns. The volcanic origin of the tonsteins is revealed by an abundance of volcanic quartz and vitric fragments as well as Al2O3/TiO2, Zr/Hf, and Nb/Ta ratios consistent with a felsic igneous source. Their REE fraction was derived from feldspars or micas of the parent rocks, and the fraction decreased with alteration of these minerals to kaolinite. The sedimentary origin of the cryptocrystalline kaolinitic claystones is revealed by an abundance of detrital quartz and illite grains derived from either granite or sedimentary upper crust, and by the total REE contents (ΣREE) and (La/Yb)N values which are consistent with granitic material. Their depositional environment was in a transitional (coastal) setting (as shown by intermediate Sr/Ba ratios) hosting an open acidic hydrologic system (as shown by high chemical index of alteration (CIA) values indicative of intensive chemical weathering) that was suboxic to anoxic (as shown by high U/Th ratios and trace-metal enrichment factors). The present chemistry of these claystones was thus controlled by a combination of parent rock type and diagenetic alteration.

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Wavelet transform coupled with Fischer plots for sequence stratigraphy: A case study in the Linxing area, Ordos Basin, China

Zhu,

Ma,

Wang

et al. 2023

Geoenergy Science and Engineering

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Temporal changes in an epeiric paralic deposition during a third-order relative sea-level cycle (Late Pennsylvanian, western North China): Insights from integrated facies and sequence stratigraphic analysis

Cited by 9 publications

References 81 publications

Coastal Depositional Responses to Relative Sea-Level Rise: Insights from a Superimposed Sandstone–Shale–Coal Reservoir in the Linxing Gas Field, China

Coastal Depositional Responses to Relative Sea-Level Rise: Insights from a Superimposed Sandstone–Shale–Coal Reservoir in the Linxing Gas Field, China

Mineralogy, Geochemistry, and Genesis of Kaolinitic Claystone Deposits in the Datong Coalfield, Northern China

Wavelet transform coupled with Fischer plots for sequence stratigraphy: A case study in the Linxing area, Ordos Basin, China

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