MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
China limestone marine deposition
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Siliceous deposition in limestonemarl alternations of the Yangtze
2024年10月1日 In South China, proximal limestonemarl alternations (LMAs) of the carbonate platform and distal chertmudstone alternations of the continental shelf were widespread in the 2020年1月1日 In this study, we investigate widespread Permian LMAs from various depositional settings in South China using traditional petrographic, mineralogical, and major element (Al 2 Recognition of diagenetic contribution to the formation of 2016年2月23日 To constrain the partial dolomitization process by using Mg isotope, here we choose the partially dolomitized limestones of the middle Cambrian Xuzhuang Formation in North China as a case study Then, we 4 Petrography of the Xuzhuang Limestone AGU 2020年5月25日 Our data suggest that the limestones of the Taiyuan Formation recorded the REE patterns that are characteristic of chemical precipitation from seawater Slight variations Depositional environments of limestones from the Taiyuan
Geochemistry of upper Palaeozoic ‘thinlayer’ limestones in the
During the late Palaeozoic Era, a series of related marine strata dominated by multilayer limestones were deposited in the southern North China Craton2011年3月18日 The succession in the Jinan and Laiwu areas comprises mixed carbonate and siliciclastic deposits composed of limestone, dolostone, stromatolite, thrombolite, purple and Depositional processes of the Zhushadong and Mantou 2020年4月28日 During the Miocene, extensive carbonate deposition thrived over wide latitudinal ranges in Southeast Asia despite perturbations of the global climate and thermohaline circulation that affectedThe emergence of Miocene reefs in South China Sea 2021年12月1日 Marlstone and limestone are mainly contributed by cyanobacteria and benthic algae respectively Marlstones are deposited in more restricted environments with shallower Marine and Petroleum Geology ScienceDirect
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Shallowmarine Sandstone Reservoirs, Depositional
2016年11月21日 A significant percentage of the world’s hydrocarbon reserves are found in shallowmarine sandstone deposits Understanding the internal characteristics, distribution, geometry and lateral extent of these sandstones 2021年8月24日 During the Cretaceous, a high global sea level and low latitudinal temperature variations led to the growth of epeiric supergene carbonate platforms Lacustrine carbonates are widely developed within the late Santonian stage in the Songliao Basin (Northeast China), and these lacustrine carbonate rocks have great significance for reconstructing the paleoclimate The fluctuation of warm paleoclimatic controls on lacustrine 2020年11月10日 Nitrogen deposition to China has been found to stabilize at a high level during the recent decade (2005–2015) (Yu et al 2019) and it is expected to decrease in the near future It is of great importance to assess how the new trend in anthropogenic N deposition will affect the health and function of China’s marine ecosystemsNitrogen Deposition to China’s Coastal Seas: Status andNew understanding from the Upper Ordovician marine limestone in Tarim Basin, China Author links open overlay panel Mu Liu a b, Daizhao Chen a b c, Haoran Ma d, Yi Ding e Show more Add to Mendeley Another possibility is that δ 13 C sw rose significantly above δ 13 C carb during the deposition of these marine red bedsDo red marine carbonates represent oxic environments? New
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Influence of differential diagenesis on primary depositional signals
2018年4月15日 The diagenetic alteration of rhythmic successions remains one of the main challenges in paleoclimatology and cyclostratigraphy To address this very important problem, thin sections and geochemical data of the limestonemarl alternations from Middle Permian carbonate successions in South China are examined to identify differential diagenetic effects in the 2024年8月15日 A study conducted in Southwest China found that the annual average fluxes of bulk TDP deposition (ie wetonly deposition plus parts of drydeposited particulate Pcompounds) at four sites varied from 020 to 322 kg P/ha/yr during 2008–2018 (Song et al, 2022), while another study reported that atmospheric TP deposition fluxes were 050–106 kg Atmospheric wet and dry phosphorus deposition in Lake Erhai, China2013年10月12日 Mesozoic marine strata are widely developed in both the South China epicontinental region and the northeastern South China Sea (Wang 1994; Wang et al 2002; Chen et al 2002; Zhou and Yao 2009; Lu et al 2011) (Fig 1)These regions have close genetic relationships with the separated Mesozoic strata in the southern part of the South China Sea Stratigraphic division and depositional processes for the Mesozoic 2019年8月19日 Request PDF Recognition of diagenetic contribution to the formation of limestonemarl alternations: A case study from Permian of South China Limestonemarl alternations (LMAs) have been Recognition of diagenetic contribution to the formation of limestone
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Influence of differential diagenesis on primary depositional signals
2018年4月15日 Influence of differential diagenesis on primary depositional signals in limestonemarl alternations: An example from Middle Permian marine successions, South China 1991; Wang and Jin, 2000; Angiolini et al, 2013) The Late Carboniferous Yunnan Movement occurred in South China, leading to the successive deposition of the 2007年8月20日 The Lower Triassic is lithostratigraphically composed of the Yinkeng, Helongshan and Nanlinghu formations, in an ascending order, and continues in conformity with the underlying Upper Permian Dalong Formation and overlying Middle Triassic Dongmaʻanshan Formation (Wang, 1984)The Lower Triassic, 26845 m thick, mainly comprises carbonate The Lower Triassic cyclic deposition in Chaohu, Anhui Province, China2020年1月1日 Limestone‒marl alternations (LMAs) refer to two stacked natural successions, which can be subdivided into alternating limestone and lime mudstone, limestone and argillaceous limestone, and limestone‒shale sedimentation based on the proportion of carbonate within the marl components (Einsele and Ricken, 1991; Munnecke and Samtleben, 1996; Westphal and Recognition of diagenetic contribution to the formation of limestone 2021年6月15日 During deposition, the original components of limestone are obviously affected by paleogeomorphy []The argillaceous content was low and the primary intergranular pores were well preserved at the paleogeomorphic highs, while the argillaceous content was high and the intergranular pores were poorly preserved at the low area [2, 3]On the other hand, Controlling Effects of Paleogeomorphy on Limestone Gas
The Lower Triassic cyclic deposition in Chaohu, Anhui Province, China
2007年8月20日 The Lower Triassic strata developed in Chaohu, Anhui Province of east central China, including the Yinkeng, Helongshan and Nanlinghu formations is about 268 m thick and consists of carbonate rocks such as micrite limestone and nodular limestone as well as shale and argillaceous mudstoneThe deficiency of sedimentary structures and bioclastic particles and 2022年9月7日 The Cambrian Miaolingian in the North China Platform is characterized by widestretched deposition of oolitic grainstones within the Xuzhuang, Zhangxia and Gushan formations Appraisal of ooid fabric and diagenesis provides significant information about the depositional environment and postdepositional features of the oolitic limestone in the Miaolingian Zhangxia Diagenetic implications for the oolitic limestone in the Very finegrained clay particles, typically brown or red, descend through the water column very slowly Pelagic clay deposition occurs in areas of (\PageIndex{24}\): Loess Plateau in China The loess is so highly compacted that and Muav Limestone faroffshore facies Marine organisms had plenty of time to evolve and adapt 55: Depositional Environments Geosciences LibreTextsLacustrine algal limestone reservoir in western Qaidam Basin, China Fan Zhao Accepted: 16 October 2013/Published online: 6 November 2013 The Author(s) 2013 This article is published with open access at Springerlink Abstract Compared to marine carbonate around the world, lacustrine carbonate is relatively scarce Much less attention has Lacustrine algal limestone reservoir in western Qaidam Basin,
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Microfacies and stable isotope analysis of Kuldhar Member Limestone
2023年11月6日 Microfacies, diagenesis, and stable isotope analysis of Kuldhar Member Limestone (KML) has been carried out to reconstruct the depositional environment and palaeogeography as well as to evaluate the influence of diagenesis on its reservoir quality The KML is characterized by thin bedding, a high abundance of fossils, and fine to medium grain @article{Su2020RecognitionOD, title={Recognition of diagenetic contribution to the formation of limestonemarl alternations: A case study from Permian of South China}, author={Chengpeng Su and Fei Li and Xiucheng Tan and Qiaolin Gong and Kai Zeng and Hao Tang and Minglong Li and Xiaofang Wang}, journal={Marine and Petroleum Geology}, year={2020}, volume={111}, Recognition of diagenetic contribution to the formation of limestone 2022年9月7日 The Cambrian Miaolingian in the North China Platform is characterized by widestretched deposition of oolitic grainstones within the Xuzhuang, Zhangxia and Gushan formations(PDF) Diagenetic implications for the oolitic limestone in the 2023年11月24日 Fossiliferous limestone is a type of sedimentary rock that contains abundant fossils It is formed through the accumulation and compression of organic remains, such as shells, coral, and other marine organisms, along with sediments The fossils preserved in fossiliferous limestone provide valuable insights into past life forms and environmental conditionsFossiliferous Limestone : Formation, Properties, Uses Geology
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Palaeogene Marine Stratigraphy in China Request PDF
2014年4月1日 Palaeogene deposits are widespread in China and are potential sequences for locating stage boundaries Most strata are nonmarine origin, but marine sediments are well exposed in Tibet, the Tarim 2017年2月1日 Six Late Mesozoic and one Tertiary limestone successions of Tibet, western China, that were deposited in oceanic plateau, passive continental margin, active continental margin (forearc basin Geochemistry of limestones deposited in various Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material limeIt is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO Limestone Wikipedia2016年11月21日 Shallowmarine sandstones can be characterized by their distinct features which are reliable indicators of shallowmarine environment First, the physical processes are generally distinctive: For example, extensive Shallowmarine Sandstone Reservoirs, Depositional
Lacustrine algal limestone reservoir in western Qaidam Basin, China
2013年11月6日 Compared to marine carbonate around the world, lacustrine carbonate is relatively scarce Much less attention has been paid to it Lacustrine carbonate, a product of mixed deposition of continental clastics and carbonate under special conditions, can be both important source rocks, and oil and gas reservoir rocks Qaidam Basin is a large salt lake Limestonemarlstone (LMMR) rhythms widely develop in the middle Permian Maokou Formation of Sichuan basin, and they are regarded as potential source rocks and important shale gas targets due to their high organic matter contents In this study, LMMR rhythms in the lower part of the Maokou Formation in the Changjianggou section of the Sichuan basin are selected for Organic geochemistry, sedimentary environment, and organic 2021年11月8日 Paleoenvironment and Organic Matter Accumulation Mechanism of Marine–Continental Transitional Shales: Outcrop Characterizations of the Carboniferous–Permian Strata, Ordos Basin, North ChinaPaleoenvironment and Organic Matter Accumulation Mechanism of Marine 2021年6月1日 The CarboniferousPermian is the key period for the transition of sedimentary environment from marine to continental facies in China, resulting in deposition of transitional facies in various sedimentary basins across China including the North China Basin, Sichuan Basin, and Ordos Basin (Zou et al, 2013; Dong et al, 2016; Zou et al, 2016; Zou et al, 2019)Sedimentology and geochemistry of CarboniferousPermian marine
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Late Paleozoic gravity flow depositional systems in the Mandula
2020年4月16日 The Solonker Belt is an important tectonic unit of the Central Asian Orogenic Belt in Inner Mongolia, China and the sediments in the Solonker Belt record the paleogeographic evolution of the PaleoAsian Ocean This study characterizes the spatial distribution of the lithofacies and lithofacies associations, and environment variations in the Mandula Basin The 2021年4月1日 Request PDF Sedimentology and geochemistry of CarboniferousPermian marinecontinental transitional shales in the eastern Ordos Basin, North China A continuously cored well covering the Sedimentology and geochemistry of CarboniferousPermian marine 2019年12月1日 Furthermore, recent researches suggested an apparent atmospheric/oceanic oxygenation from the Middle to Late Ordovician (Edwards et al, 2017; Krause et al, 2018), coinciding with the expansion of marine organisms during the deposition of MRBs (Sandbian Age) in Laurentia (Kakuwa, 2017), South China (Luan et al, 2018) and Tarim BasinUpper Ordovician marine red limestones, Tarim Basin, NW China2021年4月20日 The limestone reservoir beds of Late Ordovician Lianglitage Formation are preserved in northwestern Tazhong Uplift of the Tarim Basin with buried depth exceeding 6000 m The origin of the ultradeep limestone reservoir is still controversial, which restricts the further hydrocarbon exploration In order to clarify the main controlling factors of reservoirs, we Depositional facies and diagenesis of the Lianglitage Formation in
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Lacustrine algal limestone reservoir in western
2013年6月1日 Compared to marine carbonate around the world, lacustrine carbonate is relatively scarce Much less attention has been paid to it Lacustrine carbonate, a product of mixed deposition of 2021年11月9日 China has yielded huge commercial production from the marine organicrich shale but shows a slow exploration process in or limestone interlayers (Jiang et al, 2013 Generally, the Sichuan Basin was dominated Frontiers Geological Characteristics and Exploration 2023年12月6日 The Yushui copper deposit in Guangdong (South China) contains stratiform bornitechalcopyrite orebodies (1021 kt Cu @ 35%, 1866 kt Pb @ 429%, 1176 kt Zn @ 291%, and 339 t Ag @ 112 g/t) developed along the contact between Upper Carboniferous dolostone and Lower Carboniferous pebbly quartz sandstone, which indicates a shallow marine The shallow marine VMS copper deposit of Yushui, Eastern 2018年5月29日 The Precambrian sedimentary strata on the southern margin of the North China Craton are well developed and widely exposed, making the region ideal for the study of depositional processes However Sedimentary environment and depositional evolution of the
Marine and Petroleum Geology ScienceDirect
2021年12月1日 Limestonemarlstone (LMMR) rhythms refer to regular alternations of carbonaterich, nodular limestone beds and carbonatepoor, wellbedded marlstone beds (Westphal, 2006; Westphal et al, 2008), with common occurrences in shallowto deepmarine environments throughout the Phanerozoic (Hallam, 1986; Westphal et al, 2006; 2008)They 2007年8月1日 The Lower Triassic strata developed in Chaohu, Anhui Province of east central China, including the Yinkeng, Helongshan and Nanlinghu formations is about 268 m thick and consists of carbonate rocks The Lower Triassic cyclic deposition in Chaohu, Anhui Province, China2022年2月8日 1 Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China; 2 Hubei Key Laboratory of Marine Geological Resources, China University of Geosciences, Wuhan, China; 3 Key Laboratory of Paleomagnetism and Tectonic Reconstruction, Ministry of Natural Resources, Beijing, China; 4 Exploration and Development Research Frontiers Mineralogy and Pore Structure of Marine–Continental 2023年6月3日 The Stone Forest, also known as Shilin in Chinese, is a remarkable natural wonder located in the Yunnan Province of southwestern China Renowned for its unique limestone formations, the Stone Forest is an expansive area filled with towering rock pillars, stone peaks, and intricate stone sculptures that resemble a forest made of stone, hence its nameStone Forest, China Geology, Formation
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Mixed seawater and hydrothermal sources of nodular chert in
2020年8月1日 Middle Permian limestone and marl of the Maokou Formation deposited along the eastern PaleoTethys margin (South China) host abundant chert nodules that formed in association with the global Permian Chert Event (PCE) An enhanced understanding of the origin of the chert may help elucidate Middle Permian oceanic and diagenetic conditions However,