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
Distribution of Huaihua carbonaceous shale
Asymmetric large deformation of tunnel induced by groundwater
To better put forward countermeasures, it is important to determine the relationship among carbonaceous shale stratum, groundwater, and large deformation of the tunnel In this section, a numerical simulation model is established by using 3DEC to study the deformation of the surrounding rock mass and primary 展开In this paper， we summarize the previous knowledge on the origin， formation environment and process， geochemical characteristics of carbonaceous black shale， and its relationship with Review of Origin and Role of Carbonaceous Black Shale in the 2017年2月1日 Five kinds of sedimentary symbols created by ascending current have been found in the study area: (1) phosphorite or phosphatic shale (Fig 3e); (2) sili ceous shale Types and distribution of the shale sedimentary facies of the Lower 2024年4月1日 Multiple dark shale successions developed in the Lower Carboniferous of northern Guangxi The Lower Carboniferous Series can be divided into three thirdorder Sequence stratigraphic analysis and distribution features of Lower
Analysis of the Distribution and Microscopic Characteristics and
2020年8月30日 (1) Carbonaceous rocks in Guangxi are mainly distributed in Devonian, Carboniferous, and Cambrian systems It is mainly formed in anoxic and reductive deep water 2018年11月6日 Carbonaceous shale (f) could be easily identified from the three bituminite samples according to the above three obvious absorption valleys, while the other two Characterization and Identification of Coal and Carbonaceous 2024年4月1日 A relevant study indicates that the C–P (Taiyuan Shanxi Formation) coaly source rocks, which are deposited in the Bohai Bay Basin in a marine terrestrial transitional Differences and identification on multitime ScienceDirect2021年12月30日 In carbonaceous shale, a small amount of organic matter is filled in the pores between mineral particles, and the organic matter is small and dispersed The internal Paleoenvironment, Geochemistry, and Pore Characteristics of the
Sedimentation Models and Development Mechanisms of ACS
To better understand the deposition and organic matter accumulation mechanisms of marine shale developed in the rift trough, we carried out detailed field surveys and drilling data 2017年2月1日 Types and distribution of the shale sedimentary facies of the Lower Cambrian in Upper Yangtze area, South China Author links open overlay panel Zhongbao LIU a b c phosphorous carbonaceous shale with small shell fossils, uniform phosphorous singlelayer shell, filled with granular or taxitic materials, Well JY1, planepolarized Types and distribution of the shale sedimentary facies of the 2018年11月6日 Because of the high organic carbon concentration in carbonaceous shale, a large proportion of carbonaceous shales are often misclassified into coals using visible and nearinfrared (VISNIR Characterization and Identification of Coal and 2018年11月6日 Because of the high organic carbon concentration in carbonaceous shale, a large proportion of carbonaceous shales are often misclassified into coals using visible model , Le’s improved distribution maps model, and Song’s classification method based on combination of reflectance spectra in the VISNIR region and spectral Characterization and Identification of Coal and Carbonaceous Shale
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(PDF) Geological characteristics and shale gas distribution of
2017年2月4日 Lithology is dominated by black carbonaceous mudstone, followed by calcareous mudstone, siliceous mudstone, and siliceous rocks Geological characteristics and shale gas distribution2020年8月30日 It can be divided into carbonaceous mudstone and carbonaceous shale, as shown in Figure 1 Its engineering properties are poor It is easy to disintegrate and soften under dry and wet cyclesAnalysis of the Distribution and Microscopic Characteristics and 2017年2月1日 The shale lithofacies in Upper Yangtze area in Early Cambrian MeishucunQiongzhusi stages (a) phosphorous carbonaceous shale with small shell fossils, uniform phosphorous singlelayer shell Types and distribution of the shale sedimentary facies of the 2020年8月30日 Pore system is an important space for gas storage of carbonaceous shale, and also an important channel for fluid migration Therefore, the types, development characteristics, and relationships of pores have great influence on the stability and swelling capacity of carbonaceous shale in the later stageAnalysis of the Distribution and Microscopic Characteristics and
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Geochemical Evaluation and Pore Type Characterization of Carbonaceous
2020年5月5日 Brown Shale Formation of Pematang Group is a key source rock in the Central Sumatra Basin The formation consists of three lithofacies: algal rich facies, mixed algalcarbonaceous facies, and 2017年5月17日 Highly metalliferous black shales (HMBS) are enriched in organic carbon and a suite of metals, including Ni, Se, Mo, Ag, Au, Zn, Cu, Pb, V, As, Sb, Se, P, Cr, and U ± PGE, compared to common black shales, and are distributed at particular times through Earth history They constitute an important future source of metals HMBS are relatively thin units within Secular distribution of highly metalliferous black shales corresponds 2023年1月8日 The distribution range of carbonaceous shale increases, mainly distributed in the area of Wells DJ52–DJ48–DJ37–DJ50, and the coal seams in this section gradually increase In Section 4, the distribution range of sandstone is further narrowed, being distributed near Well DJ52 and south of Well DJ37 The Frontiers Factors controlling spatial distribution of complex 2023年1月9日 Factors controlling spatial distribution of complex lithology in transitional shale strata: Implications from logging and 3D seismic data, Shan2 Lower Submember, Eastern Ordos BasinFactors controlling spatial distribution of complex
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Sedimentary pyrite in carbonaceous shales of the Mamfe
2022年4月1日 This paper exploits current knowledge on pyrite and has as objectives: (1) To describe pyrite morphologies in organicrich shales of the basin; (2) To describe the spatial and genetic relationships of pyrite, organic matter and associated authigenic minerals; (3) To analyze pyrite framboid size percentage frequency distribution; (4) To analyze the relative Physicochemical properties of carbonaceous shale soils in the Yong Peng area, Johor TAN BooN KoNG AND AzwARI HusLAN MoHD Program Geologi, Figure 1 shows the grain size distribution curves for 'the carbonaceous shale soils studied, indicating high fmes contents as mentioned Atterberg Limits Being predominantly silty soils, thePhysicochemical properties of carbonaceous shale soils in the Carbonaceous shale is more topical than ever before due to the associated unconventional resources of methane The use of FTIR, SEMEDX, and mineralogical analyses has demonstrated a promising Mineral composition of the carbonaceous shale samples from 2024年5月3日 Shale reservoirs have complex mineral compositions and are rich in microscale pores It is of great scientific and engineering significance to explore the mechanism of external fluids on the pore throat structure of shale In this paper, pure carbonaceous shale is taken as the research object, and the mechanism of the influence of slip water and reflux fluid on the pore Experimental study on the influence of external fluids on the pore
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Study on mechanical properties and energy characteristics of
2022年7月18日 To experimentally investigate the stability of underground excavations under dry–wet cycles and different fissure angles, several rock samples with prefabricated fissure angles were prepared and subjected to the coupled influence of dry–wet cycles and axial loading until failure Results show that the rock strength is affected by the dry–wet cycles and fissure angle, 2023年2月1日 Microscopic characteristics of conventional thin sections of the Wufeng FormationLong 1 1 shale, southern Sichuan Basin (a) Underwater distributary channel, hybrid accumulation, Well YS201, 2764 Microfacies types and distribution of epicontinental shale: A case 2024年2月1日 The southwest region of China has abundant groundwater and hightemperature geothermal energy Carbonaceous shale, as one of the typical surrounding rocks in this region, often suffers from Study on the Degradation Effect of Carbonaceous Shale under 2021年12月23日 Pyrite is a common mineral in sedimentary rocks and is widely distributed in a variety of different morphologies and sizes Pyrite is also widely distributed in the Es3x shale of the Eocene Shahejie Formation in the Zhanhua Sag, Bohai Bay Basin A combination of geochemical and petrographic studies has been applied to address the formation and Genesis and Distribution of Pyrite in the Lacustrine Shale:
Types and distribution of the shale sedimentary facies of the
LIU Zhongbao et al / Petroleum Exploration and Development, 2017, 44(1): 20–31 21 Fig 1 Distribution of sedimentary facies in Upper Yangtze area in Meishucun stage of Early Cambriancarbonaceous remains also present On this basis, Orr et al (1998) interpreted that the primary means of fossil preservation in the Burgess Shale was replacement of soft tissues by clay minerals shortly after burial However, evidence for a late metamorphic origin of aluminosilicate coatings associated with Burgess Shale fossils wasBurgess Shaletype Preservation and Its Distribution in Space 2022年1月17日 Sedimentary pyrite morphologies, spatial distribution relative to their spectral compositions were studied in carbonaceous shales (Fc) of the Mamfe Cretaceous Basin (MCB) in SW CameroonSedimentary pyrite in carbonaceous shales of the Mamfe Geochemistry of Mineral Deposits K Kyser, in Treatise on Geochemistry (Second Edition), 2014 1319512 Black Shale and Seawater Black shales and seawater also represent significant reserves of uranium, although economic extraction of uranium from each is a challenge Uranium in shales resides with organic matter The uranium contents of black shales are variable but Black Shale an overview ScienceDirect Topics
The origin, type and hydrocarbon generation potential of Nature
2018年4月26日 This organicrich shale was analyzed to determine the type, origin, maturity and depositional environment of the organic matter and to evaluate the hydrocarbon generation potential of the shale2023年10月15日 The present chapter provides a distribution pattern of shale gas strata through the Ordovician–Silurian of the Yangtze Platform are rich in graptolites, and have a thickness of 32–96 m LM1 comprises black carbonaceous shale, is a regional marker interval very rich in graptolites, and has a thickness of 17–55 mDistribution Pattern of the Ordovician–Silurian Shale GasBearing 2023年3月27日 The present study investigates the geochemistry of the shale samples from the Barren Measures Formation of the Jharia Basin through major and trace element distributions as well as through bulk mineralogical attributes The rare earth element distribution shows the dominance of light rare earth elements (LREEs) over heavy rare earth elements (HREEs) The Trace and rare earth elements in the Permian shales: geochemical 2024年2月1日 As can be seen from Figure 5a, the uneroded carbonaceous shale showed a distinct layered structure, with steplike distribution between the layers, and the step surface was relatively smooth and dense; as shown in Figure 5b, after 90 days of erosion, the layered structure of carbonaceous shale almost disappeared and was replaced by a large number of Study on the Degradation Effect of Carbonaceous Shale under
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Lithofacies paleogeography and exploration significance of
2019年2月1日 In recent years, natural gas exploration in the Sinian Dengying Formation and shale gas exploration in Doushantuo Formation have made major breakthroughs in the Sichuan Basin and its adjacent areasDuring these two intervals of black shale deposition, carbon isotopic record shows gradual 13 C enrichment, which is believed to be the consequence of an elevated burial rate of 13 Cdepleted organic matter in the sediment 19–24) This chemical signal has also been used as a correlation tool for Cretaceous sediments 16,25–28) However, detailed observations in the field and of The origin of Cretaceous black shales: a change in the surface Early Cambrian black shales on the Yangtze Platform host a regionally distributed highly metalliferous sulfiderich carbonaceous unit which has been the subject of extensive debate This marker unit, with a few centimeters or tens of centimeters in thickness, displays extreme enrichment in Mo and Ni (wt% range), and in a broad spectrum of other metals such as As, Early Cambrian highly metalliferous black shale in South Springer2017年2月1日 Types and distribution of the shale sedimentary facies of the Lower Cambrian in Upper Yangtze area, South China Author links open overlay panel Zhongbao LIU a b c phosphorous carbonaceous shale with small shell fossils, uniform phosphorous singlelayer shell, filled with granular or taxitic materials, Well JY1, planepolarized Types and distribution of the shale sedimentary facies of the
Characterization and Identification of Coal and
2018年11月6日 Because of the high organic carbon concentration in carbonaceous shale, a large proportion of carbonaceous shales are often misclassified into coals using visible and nearinfrared (VISNIR 2018年11月6日 Because of the high organic carbon concentration in carbonaceous shale, a large proportion of carbonaceous shales are often misclassified into coals using visible model , Le’s improved distribution maps model, and Song’s classification method based on combination of reflectance spectra in the VISNIR region and spectral Characterization and Identification of Coal and Carbonaceous Shale 2017年2月4日 Lithology is dominated by black carbonaceous mudstone, followed by calcareous mudstone, siliceous mudstone, and siliceous rocks Geological characteristics and shale gas distribution(PDF) Geological characteristics and shale gas distribution of 2020年8月30日 It can be divided into carbonaceous mudstone and carbonaceous shale, as shown in Figure 1 Its engineering properties are poor It is easy to disintegrate and soften under dry and wet cyclesAnalysis of the Distribution and Microscopic Characteristics and
.jpg)
Types and distribution of the shale sedimentary facies of the
2017年2月1日 The shale lithofacies in Upper Yangtze area in Early Cambrian MeishucunQiongzhusi stages (a) phosphorous carbonaceous shale with small shell fossils, uniform phosphorous singlelayer shell 2020年8月30日 Pore system is an important space for gas storage of carbonaceous shale, and also an important channel for fluid migration Therefore, the types, development characteristics, and relationships of pores have great influence on the stability and swelling capacity of carbonaceous shale in the later stageAnalysis of the Distribution and Microscopic Characteristics and 2020年5月5日 Brown Shale Formation of Pematang Group is a key source rock in the Central Sumatra Basin The formation consists of three lithofacies: algal rich facies, mixed algalcarbonaceous facies, and Geochemical Evaluation and Pore Type Characterization of Carbonaceous 2017年5月17日 Highly metalliferous black shales (HMBS) are enriched in organic carbon and a suite of metals, including Ni, Se, Mo, Ag, Au, Zn, Cu, Pb, V, As, Sb, Se, P, Cr, and U ± PGE, compared to common black shales, and are distributed at particular times through Earth history They constitute an important future source of metals HMBS are relatively thin units within Secular distribution of highly metalliferous black shales corresponds
Frontiers Factors controlling spatial distribution of complex
2023年1月8日 The distribution range of carbonaceous shale increases, mainly distributed in the area of Wells DJ52–DJ48–DJ37–DJ50, and the coal seams in this section gradually increase In Section 4, the distribution range of sandstone is further narrowed, being distributed near Well DJ52 and south of Well DJ37 The