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Here, we present new sedimentological and geochemical proxy records (TOC, carbonate, SO 4 2 − and Cl −) from a 1040 m late Cenozoic sedimentary sequence (ca. 17 to 5.0 Ma) from the western part of the Qaidam Basin, the largest inland basin on the NE Tibetan Plateau. Geochemical records reveal an evident two-stage change.
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The combination of EMMA and GSTA methods was addressed in some recent studies (Li and Li, 2018; Paladino et al., 2022). The direction of sediment transport at one point reflects the average of all ...
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1. Introduction. The Ordos Basin extends across five provinces in northern China, covering an area of approximately 250,000 km 2; including the Cainozoic grabens along its margins, the basin covers some 320,000 km 2.The basin is surrounded by the Yinshan Mountains in the north, the Qinling Mountains in the south, the Helan and …
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The Ordos Basin, famous for hosting a wide variety of energy and mineral resources and being one of the most important oil and gas producing areas in China, is a large cratonic multi-cycle basin that developed on the North China platform with a wide distribution area of 25 × 10 4 km 2 (Fig. 1) (Ritts et al., 2004; Dai et al., 2006; Xu et al., …
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@article{Li2024PoreSC, title={Pore Structure Characterization of Lacustrine Shale and its Coupling Relationship with Sedimentary Structure from the Upper Cretaceous Qingshankou Formation, Southern Songliao Basin, NE China}, author={Lei Li and Zhidong Bao and Zhongcheng Li and Li Chen and Yonggang Zhao and Hongyu Zhao and …
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Oxygen isotopes provide a widely accepted tool for petrogenetic interpretation of igneous rocks. Li, B, and Mg isotopic systems are promising but not as well understood, …
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@article{Li2023TheSF, title={The sedimentary filling differences of subsags and their impacts on oil shale and coal accumulation in a rift lacustrine sag: A case study from the lower cretaceous in the Zhangqiang sag, southern Songliao basin, Northeast China}, author={Yanan Li and Shuai Wang and Zhaorui Ye and Shikun Lin and Yiming …
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@article{Sun2022AgePA, title={Age, provenance and geological significance of (meta)–sedimentary rocks in the Yitong–Gongzhuling area, NE China: Constraints from zircon U–Pb geochronology}, author={Shengnan Sun and Zuozhen Han and Zhigang Song}, journal={Journal of Mineralogical and Petrological Sciences}, year={2022}, …
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The Mohe and Xiufeng Formations scatter over in the Mohe basin (Fig. 1 c; Guo et al., 2017, Liang et al., 2019, Zhang et al., 2019).In this paper, twelve samples of sandstones and two igneous rock samples were analyzed, among which 17MH01, 17MH35, 17MH36-1 and -2, 19MH20, 19MH24, 19MH28, 19MH29 belong to the Mohe Formation; …
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Semantic Scholar extracted view of "Semi-quantifying vertical sedimentary succession and microfacies characterization from delta system in a lacustrine basin, Huangqihai Lake, North China" by Wenjun Kang et al. ... Huangqihai Lake, North China}, author={Wenjun Kang and Shunli Li and Xin Shan and Chengpeng Tan}, …
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Lithium (Li) concentrations of produced water from unconventional (horizontally drilled and hydraulically fractured shale) and conventional gas wells in Devonian reservoirs in the Appalachian Plateau region of western Pennsylvania range from 0.6 to 17 mmol kg −1, and Li isotope ratios, expressed as in δ 7 Li, range from +8.2 to …
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Request PDF | On Jul 1, 2019, Chong Guan and others published Rock magnetic constraints for the Mid-Miocene Climatic Optimum from a high-resolution sedimentary sequence of the northwestern Qaidam ...
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Semantic Scholar extracted view of "Sedimentary characteristics and implications for hydrocarbon exploration in a retrograding shallow-water delta: an example from the fourth member of the Cretaceous Quantou Formation in the Sanzhao depression, Songliao Basin, NE China" by Quansheng Cai et al. ... Deng and Zhongtiang Hu and …
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The Lancang River (the upper course of the Mekong River) drainage basin is located in the southeastern TP (Fig. 1 a), with an area of 168 000 km 2 and a total river length of about 2 160 km.The headwater is mainly composed of Zaqu (north source) and Angqu (south source) which drain the strath terraces of the plateau (altitudes 3000-4000 …
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Semantic Scholar extracted view of "Sedimentary characteristics of Cenozoic strata in central-southern Ningxia, NW China: Implications for the evolution of the NE Qinghai–Tibetan Plateau" by Zhang Jin et al. ... AI-powered research tool for scientific literature, based at the Allen Institute for AI. Learn More.
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@article{Zhang2017StructuralAA, title={Structural architecture and stratigraphic record of Late Mesozoic sedimentary basins in NE China: Tectonic archives of the Late Cretaceous continental margin evolution in East Asia}, author={Fengqi Zhang and Yildirim Dilek and Hanlin Chen and Shufeng Yang and Q. A. Meng}, journal={Earth …
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li ne sedimentary tools; Differences in sedimentary filling and its . In different types of basins, the main controlling factors are different. The sedimentary filling in passive margin basins is controlled by global sea level change (Posamentier and Allen, 1993 Vail et al., 1987).
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The sedimentary evolution of the South China Sea (SCS) since the Oligocene and its response to tectonics was reconstructed based on a multi-proxies approach including monomineralic quartz oxygen isotope ratios (δ 18 O), terrigenous grain-size and accumulation rate, and scanning electron microscopy (SEM) observation of …
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Here, we provide a systematic analysis of published lithium concentration in about 3000 samples of groundwater from 48 sedimentary basins worldwide.
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Section snippets Study area. The PEC (25°00′S - 25°35′S and 48°15′W - 48°40′W) is located on the northern coast of the state of Paraná, occupying an area of 552 km 2 (Noernberg et al., 2006). The mean depth of this estuary is 5 m, except for the dredged channel, whose depth reaches 33 m (Marone et al., 2005; Lamour et al., 2004).
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Trace elements in sedimentary rocks are highly sensitive to changes of sedimentary environment, and are an effective indicator of the paleosedimentary environment. The inverted rock formation in the Central Yunnan Basin is a set of claystone strata rich in lithium. The study of its paleoenvironment is of great significance for reconstructing the …
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This study reports integrated whole-rock geochemistry and LA-ICP-MS zircon U-Pb ages of sedimentary rocks from the Silurian Xuniwusu Formation, the Devonian Xilingol Complex and the Permian Zhesi Formation in the Hegenshan-Xilinhot-Linxi area in central Inner Mongolia, China.
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Semantic Scholar extracted view of "Characterisation of transport processes and sedimentary deposits by statistical end-member mixing analysis of terrestrial sediments in the Donggi Cona lake catchment, NE Tibetan Plateau" by J. Ijmker et al. ... AI-powered research tool for scientific literature, based at the Allen Institute for AI. Learn …
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Over the world, the available lithium (Li) resources are reserved mainly in closed-basin brines, with high Li concentration (> 150 mg/L) and low Mg/Li ratio (< 10) being critical …
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Gravity and EM methods identify the subsurface sedimentary composition, locate and identify structural controls such as faulting, discover the potential depth of groundwater, …
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Tectonic nature of the NE Asian continental margin during the Late Jurassic–Early Cretaceous: constraints from the geochronology and geochemistry of igneous rocks in the NE North China Craton. Xiaoming Zhang Wenliang Xu Chen-Yang Sun Feng Wang Yu Li
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The coupling of the C/N ratio with δ 13 C and n-alkane biomarkers has been proved to be an effective tool for revealing OC ... Yuan Li: Formal analysis, Writing ... P ratios, and δ 13 Coc in arctic, temperate, and tropical coastal sediments: tools for characterizing bulk sedimentary organic matter. Mar. Geol., 139 (1997), pp. 123-145. …
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of the sedimentary layer at a P-wave velocity of 5.0 km/s; point B forms the crystalline basement at a P-wave velocity of 5.8 km/s; and point O forms the ground surface.
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1. Introduction. The global sea level experienced a substantial elevation and all shelf seas were submerged since the LGM (Fairbanks, 1989, Mix et al., 2001).Glacio-eustatic oscillation is an important based-level to control the sedimentary system in the continental shelf basin (Wilgus, 1988, Zazo et al., 2008, McHugh et al., 2010, Thieler et …
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Two inversion patterns, fault-reactivated (Fig. 2 a-f) and sedimentary cover-folded inversions (Fig. 2 g-i), have been recognized in basins (Song, 1997).Two features have been mainly summarized for the fault-reactivated inversion: (1) a point, called the null point (Fig. 2 b-e), where the displacement of a layer across the fault is zero (De Paor …
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