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Journal articles on the topic 'Sedimentary environment'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 June 2025

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1

Aizhi, Cai, Zhu Xiaoning, Li Yuanmi, and Cai Yuee. "Sedimentary environment in Taiwan Shoal." Chinese Journal of Oceanology and Limnology 10, no. 4 (1992): 331–39. http://dx.doi.org/10.1007/bf02843834.

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2

Cui, Tao, Yang Quan Jiao, and Xiao Mei Wang. "Analysis on Sedimentary Environment of Bauxite in Wuchuan-Zheng’an-Daozhen Area, Northern Guizhou." Advanced Materials Research 616-618 (December 2012): 1409–15. http://dx.doi.org/10.4028/www.scientific.net/amr.616-618.1409.

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The sedimentary environment of bauxite in Wuchuan-Zheng’an-Daozhen Area has been debated for a long time. Through research on the element B, the sedimentary characteristics of bauxite, the distribution of four different natural types of bauxite and reference paleogeographic data we concluded that bauxite in Wuchuan-Zheng’an-Daozhen Area was a typical sedimentary deposit, with a provenance mainly from south-west. Bauxite was formed in an anoxic bay, which was partly closed and open to north. The sedimentary environment shifted between lacustrine and bay environments, accompanying frequent trans

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3

Tuan, Huynh Tan. "Analysis of depositional facies and palaeoenvironment of the lower miocene reservoir in the northern area, block 05-1(a), DH oil field, Nam Con Son basin." Brazilian Journal of Development 10, no. 6 (2024): e70251. http://dx.doi.org/10.34117/bjdv10n6-017.

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Sediment depositional environments are one of the important scientific basesin evaluation the reservoir potential of sedimentary rocks. This thesis focuses on studying the facies and environment of the terrigenous sediments of the Lower Miocene in the northern area of block 05-1(a), mine DH, Nam Con Son basin. The thesis has integrated the method of interpreting the geophysical data of the wells combined with the lithological analysis documents, the results of paleontological analysis to clarify some contexts of lower Miocene sedimentation of the study area. rescue. In which, it can be seen th

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4

Zuo, Xiaochun, Cunlei Li, Jinliang Zhang, Guiyang Ma, and Panpan Chen. "Geochemical characteristics and depositional environment of the Shahejie Formation in the Binnan Oilfield, China." Journal of Geophysics and Engineering 17, no. 3 (2020): 539–51. http://dx.doi.org/10.1093/jge/gxaa013.

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Abstract Trace elements in sedimentary rocks are highly sensitive to palaeoaquatic environmental changes in a sedimentary environment, making them an effective means for studying the paleoclimate and paleoenvironment during the deposition of sediments. The trace elements and major elements of mudstone cores sampled in the Binnan Oilfield in China were tested by inductively coupled plasma mass spectrometry (ICP–MS). Strontium (Sr), barium (Ba), vanadium (V), nickel (Ni) and boron (B), which are all sensitive to the sedimentary environment, were selected as discriminant indicators, and the sedim

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5

Liang, Cui, Chao Zhang, Nian Jie Ma, Ming Ming Wen, and Chong Li. "The Relationship Analysis of Surrounding Rock Stability and Continental Sedimentary Environment." Advanced Materials Research 217-218 (March 2011): 1580–83. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.1580.

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The continental coal-bearing strata are mainly formed in the flood plain, delta plain and lake shore subfacies. Through the study on the sedimentary cause of differences of rock strength and sedimentary location, the paper analyzes the internal relationship between sedimentary environment and surrounding rock stability based on different coal-forming models. To take an example of Shendong Coal Mine Area, the differences of surrounding rock stability in various sedimentary environments are quantitative analyzed. The paper’s research promotes the combination between surrounding rock stability an

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6

Li, Yuchun, Tianlai Fan, Aihua Wang, et al. "The Sediments in the Beibu Gulf Reveal Dramatic Paleoenvironmental Changes and Climate Events over the Past ~20,000 Years." Journal of Marine Science and Engineering 12, no. 4 (2024): 615. http://dx.doi.org/10.3390/jmse12040615.

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The geochemical characteristics of a 2.1 m BBW25 core, collected from the Beibu Gulf, have been investigated in terms of the major and trace elements, organic matter, and CaCO3 and AMS 14C dating by XRF, ICP-OES, ICP-MS, and more. We have found through previous research that there are issues with unclear delineation of sedimentary evolution environments and inexact responses between chemical weathering intensity and major paleoclimate events in the Beibu Gulf. The AMS 14C dating results indicate that the sedimentary age at the bottom was 19.24 ky b.p. CaCO3, δ13C, C/N, and Sr/Ba indexes show a

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7

Su, Qiao, Yanhui Zhu, Fang Hu, and Xingyong Xu. "Sedimentary environment prediction of grain-size data based on machine learning approach." Interpretation 8, no. 3 (2020): SL71—SL78. http://dx.doi.org/10.1190/int-2019-0153.1.

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Grain size is one of the most important records for sedimentary environment, and researchers have made remarkable progress in the interpretation of sedimentary environments by grain size analysis in the past few decades. However, these advances often depend on the personal experience of the scholars and combination with other methods used together. Here, we constructed a prediction model using the K-nearest neighbors algorithm, one of the machine learning methods, which can predict the sedimentary environments of one core through a known core. Compared to the results of other studies based on

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8

Xiang, Jianbo, Xianghui Zhang, Jiale Liu, Qinghao Meng, Yu Zhang, and Xinglu Li. "Characterization and Modernization of the Depositional System in Modern Ebinur Lake Basin, Northwest China." Applied Sciences 14, no. 11 (2024): 4425. http://dx.doi.org/10.3390/app14114425.

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The Ebinur Lake Basin is a typical terrestrial sedimentary Basin in Northwest China that has developed a piedmont distributive fluvial system (DFS) sedimentary environment, lake sedimentary environment, and desert sedimentary environment. The Ebinur Lake receives the sediments carried by the rivers in the basin and is the regional sedimentary center. In this study, a division scheme of modern sedimentary system tracts in the Ebinur Lake Basin was proposed. According to the landform, sedimentary environment, structure, and sedimentary system types, the Ebinur Lake Basin was divided into five sy

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9

CAI, AIZHI, XIAONING ZHU, YUANMI LI, and YUEE CAI. "Sedimentary Environment in the Taiwan Shoal." Marine Georesources & Geotechnology 21, no. 3-4 (2003): 201–11. http://dx.doi.org/10.1080/0264041031000071029.

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10

Shi, Xuewen, Jia Liu, Yiqing Zhu, et al. "Effects of the Sedimentary Environment on Organic-Rich Shale in the Intracratonic Sag of the Sichuan Basin, China." Applied Sciences 14, no. 19 (2024): 8594. http://dx.doi.org/10.3390/app14198594.

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The enrichment of organic matter in high-quality marine shale is generally controlled by factors such as the redox conditions of sedimentary environments, productivity levels, terrigenous input, and ancient productivity. However, the controlling effect of the sedimentary environment on organic matter enrichment in intracratonic sag is still unclear. This study takes samples from the Qiongzhusi formation shale in southern Sichuan Basin as the research object, focusing on trace elements as well as rare earth elements in different stratigraphic intervals. The provenance of the Qiongzhusi formatio

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11

YU, Xinwu, Yingjie ZHANG, Wenpan CEN, Kaiqi CHAI, Jiyu CHEN, and Wenfang HUANG. "The Lower Carboniferous Formed in the Special Shallow-Water Environment at the Northeast Margin of the Dianqiangui Basin: A Case Study from the Mengdong Section of the Huanjiang." Chinese Earth Sciences Review 3, no. 4 (2024): 185–95. https://doi.org/10.48014/cesr.20240826001.

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In order to explore the characteristics of the Lower Carboniferous formed between the deep-water environment and the shallow-water environment in the northeast margin of the Dianqiangui Basin, taking the section of Mengdong in Huanjiang as an example. According to the sedimentary characteristics and stratigraphic cyclic features of the Lower Carboniferous at the Mengdong section, the sequence division and sedimentary facies identification of the Lower Carboniferous at the Mengdong section of the Huanjiang section were carried out. In addition, through the comparison with the deep-water and sha

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12

Cahyaningsih, Catur, Anjas Latif Ritonga, Shaury Aldila, and Zulhikmah Zulhikmah. "Lithofacies And Depositional Analysis Environment Of West Section Kolok Nan Tuo Village, Sawahlunto City, West Of Sumatera." Journal of Geoscience, Engineering, Environment, and Technology 3, no. 2 (2018): 128. http://dx.doi.org/10.24273/jgeet.2018.3.2.340.

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Research areas were located in the west of Kolok Nan Tuo Village. Geographically this area is located at coordinates 00 ° 36'57,85 '' - 00 ° 37'56,89 '' latitude and 100 ° 42'10,08 '' 100 ° 43'47,28 " BT. The methods used in research is geological mapping. Based on the results of stratigraphic research area is divided into three units consist of: Crystalline Limestone Unit (SBGK) consisting Crystalline Limestone of and mudstone lithofacies, Conglomerate Units (SK) consists of polymic conglomerate and sandstones greywacke lithofacies while claystone Unit (SBL) lithofacies consists of claystone

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13

Jin, Chao, LangTao Liu, GuoQiang Hao, and Kuo Cao. "Sandstone bodies sedimentary characteristics of Shanxi formation, at Chengjiazhuang section in Liulin, Shanxi province, China." World Journal of Engineering 12, no. 2 (2015): 177–88. http://dx.doi.org/10.1260/1708-5284.12.2.177.

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Sedimentary facies type of the Shanxi Formation in northeastern Ordos Basin is an ongoing debate. Based on field measurements, sample collection and identification, and laboratory analysis, we systematically evaluated the sedimentary characteristics of the sandstone bodies of Shanxi Formation of Chengjiazhuang section in Liulin. Analysis included identifying sample composition, grain size, texture, sedimentary structure and spatial distribution. We came to the conclusion that the sedimentary environment of Shanxi Formation is deltaic. This deltaic environment included deltaic front and deltaic

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14

He, Qing Kun, and Chang Ying Shi. "Application of Electron Probe Microanalyzer (EPMA) to Depositional Environment Identification of Sedimentary Rock." Advanced Materials Research 881-883 (January 2014): 1795–98. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.1795.

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s: Electron microprobe technology is widely used to component analysis of metals, minerals and geology. Elements of sedimentary rock including B, Ga, Ba, Sr, Co, V, Cr, Mn, Fe, Ni were analyzed by EPMA respectively. It was discussed that marine faces and continental facies, oxidation environment and reducing environment, the depth of water and salinity influence on sedimentary rock, respectively. Then the influence of marine faces, continental faces, oxidation environment, reducing environment and the depth of water and salinity on sedimentary rock was discussed respectively. The results show

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15

Nath, B. Nagender, N. H. Khadge, Sapana Nabar, et al. "Monitoring the sedimentary carbon in an artificially disturbed deep-sea sedimentary environment." Environmental Monitoring and Assessment 184, no. 5 (2011): 2829–44. http://dx.doi.org/10.1007/s10661-011-2154-z.

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16

Zhang, Xuanxuan, Dina Ding, Yinglin Liu, et al. "Microbial Community Dynamics and Biogeochemical Cycling in Microplastic-Contaminated Sediment." Nanomaterials 15, no. 12 (2025): 902. https://doi.org/10.3390/nano15120902.

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Sediments are important repositories for microplastics (MPs) which exhibit higher microbial community richness and greater diversity than corresponding aqueous phases. Recently, the effects of MPs on microorganisms in sediments have received widespread attention. This review summarizes current knowledge on how MPs alter microbial diversity, composition, function, and biogeochemical cycling in sedimentary environments. The impacts of MPs on microorganisms in sediments can be affected by several factors, including MP type, the sedimentary environment, exposure time, and exposure concentration. G

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17

Liu, Yidong, Aihua Zeng, Wenjun Chen, and Yangtong Cao. "The Sulfur Isotopic Characteristics of Evaporites in the Yarkand Basin of Xinjiang Province in the Paleocene and Its Paleoenvironmental Evolution." Minerals 13, no. 6 (2023): 816. http://dx.doi.org/10.3390/min13060816.

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The Yarkand Basin, located in the southwest of the Tarim Basin, is a northeastern part of the eastern Paratethys ocean in the Paleocene, and a significant amount of evaporites, with gypsum, anhydrite, and halite as the main types, were developed in this area. These evaporites record the sedimentary environment at that time. A study was conducted on the sulfur isotopic composition of gypsum in the Paleocene of the Yarkand Basin to explore the origin of the evaporites and interpret the sedimentary environment. The experimentally measured sulfur isotope δ34SCDT values of 187 gypsum samples ranged

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18

Li, Yuan, Renwei Li, Shixin Zhou, and Binjie Luo. "Sedimentary environment indicators: Benzothiazole and its derivatives." Chinese Science Bulletin 46, no. 5 (2001): 413–17. http://dx.doi.org/10.1007/bf03183278.

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19

Zhou, Siyu, Dakang Zhong, Haitao Sun, Xiaojie Huang, Chenguang Wang, and Xuanwei Liu. "Microfacies and Evolution of the Carbonate Factory During the Middle Permian in Northwest Sichuan Basin, China." Minerals 14, no. 10 (2024): 1037. http://dx.doi.org/10.3390/min14101037.

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Located in the eastern Paleo-Tethys Ocean and near the equator, carbonate sedimentation widely developed in the Sichuan Basin in the Permian Guadalupian period. Although the growth and decline of carbonate particles are closely related to the surrounding sedimentary environment, the relationships between the grain composition and distribution of the northwest Sichuan Basin and the sedimentary environment are not clear. This study explored the particle type, particle content, and sedimentary structure of 300 thin sections from 19 wells and seven field profiles of the Guadalupian period in the n

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20

Chkrabarti, C., U. S. Reddy, and W. K. Natarman. "Sedimentary Structures in the Archean Sediments of Gadag Schist Belt, Karnataka." Journal Geological Society of India 41, no. 6 (1993): 523–28. http://dx.doi.org/10.17491/jgsi/1993/410606.

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Abstract Gadag schist belt consists of more than 2000 m thick pile of sediments, least metamorphosed, and with abundant well preserved sedimentary sturctures, The principal types of structures are discussed and an attempt has been made to interpret the environment of deposition. Sedimentary structures and the lithotectonic sedimentary assemblage broadly indicate an unstable environment of deposition under geosynclinal conditon.

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21

LOGHIN, Sergiu, Anca Maria SESERMAN, and Mihai BRÂNZILĂ. "THE DEPOSITIONAL ENVIRONMENT OF UPPER ȘOMUZ FORMATION REVEALED BY HÂRTOP OUTCROPS." Carpathian Journal of Earth and Environmental Sciences 20, no. 1 (2025): 57–65. https://doi.org/10.26471/cjees/2025/020/313.

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Two sedimentary successions from Hârtop (Hârtop A, B), Șomuz drainage basin, revealing middle Miocene (lower Sarmatian sensu lato) of Moldavian Platform deposits were analysed in order to reconstruct the depositional paleoenvironment and the local shoreline behaviour of the Central Paratethys Basin. The studied sections are mainly sandy with few silty and argillaceous interlays. The sedimentary facies analysis led to the separation of 10 sedimentary facies grouped in two Facies Associations (FA), each one describing a typical sedimentary sub-environment. The two identified Facies Associations

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22

Yu, Sheng Yun, Qing Yun Meng, and Hai Ying Xu. "Study of the Fluvial Facies Reservoir Sedimentary Characteristics of an Oil Field in China." Advanced Materials Research 753-755 (August 2013): 66–69. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.66.

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In this paper, 6 kinds of reservoir sedimentary microfacies distribution model-conceptual model have been established by the use of reservoir sedimentology theory and methods, namely, large sandy braided river sand body sedimentary model, large meandering river sand body sedimentary model, low bending-straight distributary channel sedimentary model, crevasse splay (crevasse river) sedimentary model, heart beach sedimentary model, flood plain and distributary plain sheet sand body sedimentary model. On this basis, the sedimentary facies figures of four sedimentary units have been painted, putti

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23

Stoupakova, Antonina V., Nataliya I. Korobova, Alina V. Mordasova, et al. "Depositional environments as a framework for genetic classification of the basic criteria of petroleum potential." Georesursy 25, no. 2 (2023): 75–88. http://dx.doi.org/10.18599/grs.2023.2.6.

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Most classifications of reservoirs, seals and source rocks based on the ability of the rock to generate, accumulate and preserve hydrocarbons, and the genesis of rocks is not always taken into account. The article presents a ranking scheme for continental, coastal-marine and marine sedimentation environments that determine the genesis and properties of the basic criteria of petroleum potential – source rocks, reservoirs, seals and pinch-out traps. Rocks, which can consider as source rock, reservoirs and seals are formed in each depositional environment. However, their structure, mineral compos

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24

ANDRÉ, Jefferson Lima Fernandes, Luiza Alves GARCIA, Lucas Dias SANTIAGO, and Aurélio Fagundes SILVA. "FÁCIES SEDIMENTARES DAS ROCHAS AFLORANTES NO NORTE DO ESTADO ESPÍRITO SANTO, PORÇÃO ONSHORE DA BACIA SEDIMENTAR DO ESPÍRITO SANTO." Geosciences = Geociências 43, no. 4 (2024): 497–514. https://doi.org/10.5016/geociencias.v43i4.18373.

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RESUMO - No presente estudo pretende-se contribuir sobre a compreensão geológica da porção onshore Bacia Sedimentar do Espírito Santo, onde há poucos estudos publicados. Identificaram-se fácies sedimentares de maior ocorrência como fácies rudáceas, areníticas e lamíticas, com cores branca a cinza claro, formando depósitos tabulares com gradação normal e interacamadados. Estratificações acanaladas incipientes foram observadas, assim como feições de acresção lateral, escavação e preenchimento de canais. As fácies areníticas e rudáceas são mal selecionadas, matriz-suportadas, constituídas princip

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25

Jahan, Chowdhury Sarwar, Tapash Kumar Majumder, and Mrinal Kanti Roy. "Sedimentary Environmental Discrimination Using Grain-Size Analyses." Journal Geological Society of India 35, no. 5 (1990): 529–34. http://dx.doi.org/10.17491/jgsi/1990/350510.

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Abstract A multivarite statistical strategy, which reduces the sample-variable matrix to a set of interpretable graphical relationship by multigroup discriminant procedure, is used to maximize the information extracted from grain-size data of three known environments liker iver, beach and dune and an unknown environment of deposition of Tertiary clastics of Bangladesh. This makes the Euclidean distance in the discriminating space to be a valid and convenient criterion for classification/assignment so that the field of influence of each group can be easily visualized and this is conveniently us

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26

Singh, S. P. "Influence of Basement Tectonics on the Delhi Sedimentation in the Bayana Graben, Northeastern Rajasthan." Journal Geological Society of India 32, no. 6 (1988): 468–76. http://dx.doi.org/10.17491/jgsi/1988/320603.

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Abstract The Bayana graben contains over 3000m thick volcano-sedimentary sequence classified into the Raialo, the Alwar, and the Ajabgarh Groups of the Delhi Supergroup. The sedimentary pile consists of several sedimentary facies of fluvial to marginal marine environments. The volcanics show alkaline to high-K-tholeiitic affinity indicating continental magmatic environment. The basin is characterised by a set of synsedimentary dislocations which have controlled basin evolution, magmatism, and sedimentation. Based on the distribution patterns of various stratigraphic units and their sedimentolo

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27

Li, Yuanfeng, Xiang Zeng, Jingong Cai, Xinyu Wang, Xiaoshui Mu, and Yunxian Zhang. "Mudrocks Lithofacies Characteristics and North-South Hydrocarbon Generation Difference of the Shahejie Formation in the Dongpu Sag." Minerals 11, no. 5 (2021): 535. http://dx.doi.org/10.3390/min11050535.

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Lacustrine mudrocks are composed of minerals and organic matter (OM). The origin and preservation of OM are two controlling factors of the hydrocarbon generation capacity of mudrocks. It is a key method in source rock research to study the deposition process from the view of the OM and sedimentary environment. Following this idea, the reason for the discrepancy in hydrocarbon production between the northern and the southern part of Dongpu Sag is analyzed and discussed. The lacustrine mudrocks of the Shahejie Formation in Dongpu Sag are sampled and analyzed for information about mineralogy, mic

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28

Zhiguo, Wang. "Study on sedimentary facies characteristics of Xujiahe Formation in Sichuan Basin." E3S Web of Conferences 290 (2021): 02022. http://dx.doi.org/10.1051/e3sconf/202129002022.

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Sedimentary facies is the summation of all primary sedimentary features in a sedimentary unit, which is the product of sedimentation in a specific environment. It emphasizes the material performance of sediment formation conditions, including mineralogy, petrology, paleontology, geochemistry and geophysics. Therefore, it has unique sedimentary features in this environment. In this paper, the types and units of sedimentary facies which can reflect the basic characteristics and geometry of sedimentary system are established, and based on the comprehensive analysis of rock types, lithological ass

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29

Feng, Siyuan, Yu Zhang, and Britney Wu. "Biomechanical influence of organic matter enrichment and sedimentary environment in the Ordos Basin." Molecular & Cellular Biomechanics 22, no. 4 (2025): 1251. https://doi.org/10.62617/mcb1251.

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To study the correlation between organic matter enrichment and sedimentary environment in the Ordos Basin, hydrocarbon source rocks in the region of the eastern edge of the central plain of the basin are selected for analysis. With reference to the related theories of sedimentary rocks and organic geochemistry, the means including pyrolyzed rocks, organic carbon determination, and detection of main trace elements are adopted. The relationship between the regional sedimentary environment and organic matter enrichment is examined after the features of the paleo-sedimentary environment in the stu

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30

Andrade, Regina Célia Bastos de, and Sambasiva Rao Patchineelam. "Uptake of Co, Cr, Ni and Cu by Pyrite in a tropical marine environment." Rem: Revista Escola de Minas 54, no. 4 (2001): 299–302. http://dx.doi.org/10.1590/s0370-44672001000400011.

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The formation of pyrite and associated trace metals during diagenesis in a tropical pristine environment was investigated. Except for Cr, there was a generic trend towards increasing trace metal piritization with sedimentary depth. The results suggest that Co, Ni e Cu would be removed from the reactive fraction to the pyrite fraction through a sedimentary profile parallel to the diagenetic formation of pyrite. The results obtained in pristine environments may be used as a baseline to study contaminated areas for they represent true natural laboratories.

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31

Douglas, Emily J., Conrad A. Pilditch, Andrew M. Lohrer, Candida Savage, Louis A. Schipper, and Simon F. Thrush. "Sedimentary Environment Influences Ecosystem Response to Nutrient Enrichment." Estuaries and Coasts 41, no. 7 (2018): 1994–2008. http://dx.doi.org/10.1007/s12237-018-0416-5.

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32

Parra, M., P. Delmont, A. Ferragne, C. Latouche, J. C. Pons, and C. Puechmaille. "Origin and evolution of smectites in Recent marine sediments of the NE Atlantic." Clay Minerals 20, no. 3 (1985): 335–46. http://dx.doi.org/10.1180/claymin.1985.020.3.06.

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AbstractPresent-day marine sediments around the emerged basaltic areas of Iceland and the Faeroe Islands are characterized by the abundance and predominance of smectites. Smectites increase regularly and systematically near volcanic areas. Their origin from (i) meteoric/deuteric weathering, (ii) hydrothermal products, (iii) neoformation in the marine environment or (iv) transformation during their transport to or stay in oceanic regions is considered in a comparative study of three types of environments on or near the Faeroe Islands. These are (1) a basaltic environment where phyllite minerals

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33

Tamura, Larissa Natsumi, Renato Paes de Almeida, Fabio Taioli, André Marconato, and Liliane Janikian. "Ground Penetrating Radar investigation of depositional architecture: the São Sebastião and Marizal formations in the Cretaceous Tucano Basin (Northeastern Brazil)." Brazilian Journal of Geology 46, no. 1 (2016): 15–27. http://dx.doi.org/10.1590/2317-4889201620150031.

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ABSTRACT: One key factor for the advance in the study of fluvial deposits is the application of geophysical methods, being the Ground Penetrating Radar one of special value. Although applied to active rivers, the method is not extensively tested on the rock record, bearing interest for hydrocarbon reservoir analogue models. The São Sebastião and Marizal formations were the subject of previous studies, which made possible the comparison of Ground Penetrating Radar survey to previous stratigraphic studies in order to identify the best combination of resolution, penetration and antenna frequency

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34

Wang, Linlin, Yongsheng Zhang, Enyuan Xing, Yuan Peng, and Dongdong Yu. "Distribution of Trace Elements, Sr-C Isotopes, and Sedimentary Characteristics as Paleoenvironmental Indicator of the Late Permian Linxi Formation in the Linxi Area, Eastern Inner Mongolia." Journal of Chemistry 2020 (March 7, 2020): 1–17. http://dx.doi.org/10.1155/2020/7027631.

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The Late Permian on the periphery of the Songliao Basin, eastern Inner Mongolia, is an important hydrocarbon source rock system. Its sedimentary environment plays an important role in the evaluation of hydrocarbon prospects in the area. Unfortunately, until now, the interpretation of the sedimentary environment of this area has been controversial. We investigated the Late Permian sedimentary environment by studying the sedimentary characteristics and geochemistry. Based on these investigations, we conclude that the Linxi Formation is mainly composed of clastic sediments, interbedded with limes

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35

Tang, Xin, Yuanchen Guo, Tingqiang Zhou, and Sen Guo. "Distribution Characteristics of Nanopores and Discriminant Characteristics of Sedimentary Environment of the Longmaxi Formation in the Southern Sichuan Basin." Journal of Nanoscience and Nanotechnology 21, no. 1 (2021): 431–37. http://dx.doi.org/10.1166/jnn.2021.18741.

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Shale contains a large number of nanopores. The nanopores control the reservoir structure. The formation of nanopores in shale is closely related to the sedimentary environment. The palaeosedimentary structural background determines the provenance and sedimentary diagenesis of mud shale during shale deposition, refines the palaeo-shale and palaeo-sedimentary-tectonic environments of the Longmaxi Formation in the southern Sichuan Basin by elemental geochemical means, and determines the palaeo-deposition of the Longmaxi Formation. The tectonic setting and a numerical simulation method are used t

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36

Li, Tingwei, Zhenxue Jiang, Chenlu Xu, et al. "Effect of sedimentary environment on shale lithofacies in the lower third member of the Shahejie Formation, Zhanhua Sag, eastern China." Interpretation 5, no. 4 (2017): T487—T501. http://dx.doi.org/10.1190/int-2017-0016.1.

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Research on shale lithofacies is important for shale oil and gas production. This study focused on the lower third member of the Shahejie Formation ([Formula: see text]) in the Luo-69 well in the Zhanhua Sag, Jiyang Depression, Bohai Bay Basin, eastern China. Several methods, including thin section observations, total organic carbon (TOC) analysis, X-ray diffraction analysis, quantitative evaluations of minerals by scanning electron microscopy, major and trace-element analyses, and field emission-scanning electron microscopy, are used to investigate the effect of sedimentary environment on the

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Liu, Hao, Chan Wang, Yong Li, et al. "Geochemistry of the black rock series of lower Cambrian Qiongzhusi Formation, SW Yangtze Block, China: Reconstruction of sedimentary and tectonic environments." Open Geosciences 13, no. 1 (2021): 166–87. http://dx.doi.org/10.1515/geo-2020-0228.

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Abstract The black rock series in the Qiongzhusi Formation contains important geochemical information about the early Cambrian tectonic and ecological environment of the southwestern Yangtze Block. In this paper, major, trace, and rare earth element data are presented in an attempt to reveal the sediment source during the deposition of the early Cambrian Qiongzhusi Formation and to reconstruct the sedimentary tectonic environment and weathering intensity during that time. The basin primarily received continental clastic material with neutral-acidic igneous rocks from a stable source and with a

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Tian, Yu, Yunfei Xue, Yunmiao Liu, Ming Liu, Chunyang Bu, and Xuenan Gong. "A Study on the Paleoclimate and Sedimentary Environment of the Upper Kuli Formation in the Hailar Basin." Journal of Physics: Conference Series 2834, no. 1 (2024): 012023. http://dx.doi.org/10.1088/1742-6596/2834/1/012023.

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Abstract The Kuli Formation in the Hailar Basin has a wide distribution range, complex and variable lithology, and oil and gas indications during field investigations, which has great research significance and value. In order to better understand the paleoclimate and sedimentary environment of the Upper Kuli Formation, this article uses three methods for the first time: heavy mineral analysis, sporopollen fossils identification, and inorganic element analysis. Based on the characteristics of heavy mineral assemblages, sporopollen fossils identification, and element analysis correspond to the f

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الخفاجي, سرحان. "The sedimentary environment of the Euphrates River and its impact on the urban expansion of the city of Samawah." Kufa Journal of Arts 1, no. 6 (2010): 187–99. http://dx.doi.org/10.36317/kaj/2010/v1.i6.6111.

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This study dealt with the sedimentary environment of the Euphrates River and its impact on the urban expansion of the city of Samawah, as this city is located within the region of the sedimentary plain on both sides of the course of this river. Different types and characteristics of soils and sediments on both sides of the river and within the city itself. As this diversity was reflected in the sedimentary environment of the course of the river in the pattern of urban expansion of the city from its inception to the present time.

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Kazim, Muna Faraj, Muthana khleel Ibrahiem, and Ahmed R. Abd ElLatif. "Effect of Sedimentary Environment in Iron and Manganese Crystallization Index of some Soil of Anbar Government." IOP Conference Series: Earth and Environmental Science 1262, no. 8 (2023): 082043. http://dx.doi.org/10.1088/1755-1315/1262/8/082043.

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Abstract This study was conducted to elucidate the impact of depositional conditions on different sedimentary and desert environments on the crystallization index of iron and manganese. The study area is located within the administrative boundaries of Anbar Governorate. Eight desert valleys were selected, including Al-Qaim Valley, Al-Mohammadi Valley, Al-Damamah Valley, Hauran Valley, Al-Baghdadi Valley, Zaghdan Valley, Al-Sahliyah Valley, and Al-Sheikh Hadeed Valley, with two pedons per site, one in the sedimentary deposits and one in the desert deposits. The samples were prepared for laborat

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Tomkins, Jessica D., Scott F. Lamoureux, Dermot Antoniades, and Warwick F. Vincent. "Sedimentology of perennial ice-covered, meromictic Lake A, Ellesmere Island, at the northern extreme of CanadaPolar Continental Shelf Program Contribution 00109." Canadian Journal of Earth Sciences 46, no. 2 (2009): 83–100. http://dx.doi.org/10.1139/e09-008.

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The sedimentology of coastal, meromictic Lake A, Ellesmere Island (83°00′N, 75°30′W), was investigated to understand the linkages between the extreme lake environment and its sedimentary features. Four facies were identified within the sedimentary record that represent stages of the lake’s development from a marine embayment to a meromictic lake. Despite low ecosystem productivity, both clastic and biogenic materials contribute substantially, and highly seasonal sedimentation, pervasive ice cover, and anoxia in the saline bottom water (monimolimnion) act to preserve annual sedimentary units (v

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Kulkova, Marianna, and Dmitry Subetto. "Editorial for the Special Issue “Environment and Geochemistry of Sediments”." Minerals 13, no. 5 (2023): 709. http://dx.doi.org/10.3390/min13050709.

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Cui, Xiaohui, Shoujun Li, Hua Xu, et al. "Late Quaternary Paleoenvironmental Reconstruction, Using Benthic Foraminifera and Ostracoda, of Marine Sedimentary Beds On the Southern Coast of Laizhou Bay, Bohai Sea, China." Journal of Foraminiferal Research 48, no. 2 (2018): 87–99. http://dx.doi.org/10.2113/gsjfr.48.2.87.

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Abstract Extensive studies of Quaternary transgressions have been conducted in Bohai Sea, but debates continue regarding the sedimentary evolution and timing of transgressions, especially in the Pleistocene section. Benthic foraminifers and ostracodes from three boreholes (GK138, GK111, GK95) at Laizhou Bay, Bohai Sea, were utilized to interpret the paleoenvironments of deposition and elucidate the coastal response to global sea-level changes since the late Quaternary. Benthic foraminiferal species identified included 32 species from 15 genera; ostracodes included 28 species from 16 genera. Th

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Yang, Yepeng, Zaixing Jiang, and Xiaolong Jiang. "The Cretaceous Sedimentary Environments and Tectonic Setting of the Southern East China Sea Shelf Basin." Energies 16, no. 10 (2023): 4205. http://dx.doi.org/10.3390/en16104205.

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Although the amount of oil and gas reserves and the reservoir properties in the East China Sea Shelf Basin (ECSSB) indicate good prospects for oil and gas exploration in the Mesozoic strata, there has not yet been a significant breakthrough in oil and gas production. An important reason is that there are few detailed studies on the sedimentary paleogeography of the ECSSB which make it difficult to predict the distribution of sand bodies. In this paper, well-core observations, thin-section identifications, electron probe microanalysis, trace elements analysis and seismic interpretations were sy

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Cui, Tao. "Mineralizaton Process of the Bauxite in WZD Area." Advanced Materials Research 989-994 (July 2014): 1269–72. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.1269.

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This paper has a comprehensive analysis on mineralizaton process of the bauxite in Wuchuan-Zheng, an-Daozhen (WZD) area, northern Guizhou, China through synthesize former research. Geologic characteristic demonstrates that WZD bauxite is a typical sedimentary deposit, minerogenetic material have experienced a transporting process. Sedimentary environment of WZD bauxite is transition facies. Sedimentary environment is reduced and acidic. Accompanying frequent transgression and regression, bauxite has suffered a leaching process. In the leached period, environment is oxidized and acidic. Leachin

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Liu, Chao, Hai Tao Xue, Shuang Wang, and Yu Jiao Sun. "Study on Law of Structural Evolution and Sedimentary Evolution for North Uskyurt Basin." Advanced Materials Research 671-674 (March 2013): 302–5. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.302.

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North Uskyurt Basin, located on Turan Plain, northwestern Central Asian, is continental polycyclic cratonic. The structural evolution of the basin underwent six phases: basement formulation, passive edge, rifting, post-rifting, compression, early Neogene depression. Regional structural evolution takes control of complicated transition of North Uskyurt sedimentary structure. In general, basin sedimentary environment underwent basement (granite, metamorphic rocks) passive edge, late Devonian epoch carboniferous period (marine facies) rifting, late Permian epoch-triassic period (continental facie

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M. Trish, Khaled Bashir, Fawzi Abdussalam AL-Zougie, and Osama Ali Shalig. "SEDIMENTOLOGICAL ANALYSIS OF THE MAIN FACIES’ ASSOCIATION OF THE KABAW FORMATION, NW LIBY." International Journal of Engineering Applied Sciences and Technology 9, no. 09 (2025): 07–13. https://doi.org/10.33564/ijeast.2025.v09i09.002.

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The Early Cretaceous Kabaw Formation exposed in western Jabal Nafusah NW Libya, extends along the escarpment from eastern Jadu to Tunisia, it is unconformably overlies the Shakshuk Formation, and is unconformably overlain by Kiklah Formation, this study dealing with sedimentological analysis of the outcrops of the Formation in western Jabal Nafusah. The Kabaw Formation Neocomian (Early Cretaceous) comprises essentially sandstone locally containing thin horizon rich in vertebrate fossils, in this study the vertebrate fauna provides new stratigraphical evidence, they strongly support a Neocomian

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Nguyen, Thanh Thi Ngoc, and Luan Thi Bui. "Evaluation of the sedimentary environment of the block 102 of Song Hong basin by petrophysics." Science and Technology Development Journal 18, no. 4 (2015): 84–101. http://dx.doi.org/10.32508/stdj.v18i4.930.

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Interpretation of wireline logging data supported to recover the sedimentary environment of block 102 of Song Hong basin. It inchided in determination of the spatial distribution of source, reservoir and cap rocks and an indispensable part in oil exploration of this area. Resulted wireline logging data showed some sedimentary environment units as the following The late Oligocene was delta environment. It was identified as forming delta plain, swamp to lacustrine. The middle Miocene had changed to shallow water marine environment, which formed the shoreface, tidal flat, lagoon and channel. The

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PEREIRA, NATAN S., VALDIR A. V. MANSO, RENÊ J. A. MACEDO, JOÃO M. A. DIAS, and ADRIANA M. C. SILVA. "Detrital carbonate sedimentation of the Rocas Atoll, South Atlantic." Anais da Academia Brasileira de Ciências 85, no. 1 (2013): 57–72. http://dx.doi.org/10.1590/s0001-37652013000100005.

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Located 266 km offshore Brazilian coast, Rocas Reef complex is the only atoll in the South Atlantic. Two scientific expeditions carried out detailed sedimentological studies of the complex. Sand texture was dominant in the sedimentary environment, although other textures such as gravel, sandy gravel and gravelly sand, were also observed. Mean size ranged from fine sand to coarse sand (-1.23 to 2.34ø), with an average value of 0.69ø (sand fraction), which from a geological perspective represents a high-energy environment. The values of mean size varied in the different geomorphologic compartmen

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Guo, Hao, Juye Shi, Shaopeng Fu, Zitong Liu, Linhong Cai, and Siyuan Yin. "Lithofacies Characteristics of Continental Lacustrine Fine-Grained Sedimentary Rocks and Their Coupling Relationship with Sedimentary Environments: Insights from the Shahejie Formation, Dongying Sag." Minerals 14, no. 5 (2024): 479. http://dx.doi.org/10.3390/min14050479.

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Lacustrine fine-grained sedimentary rocks in the Dongying Sag of the Bohai Bay Basin in China exhibit significant potential for hydrocarbon exploration. This study investigates the lithofacies types and sedimentary evolution of the Paleogene Shahejie Formation’s lower third member (Es3l) and upper fourth member (Es4u), integrating petrological and geochemical analyses to explore the relationship between lithofacies characteristics and sedimentary environments. The results show that the fine-grained sedimentary rocks in the study area can be classified into 18 lithofacies, with seven principal

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