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Organic petrographic and mineralogical composition of the No. 6 coal seam of the Soutpansberg Coalfield, South Africa: Insights into paleovegetation and depositional environment: 《International Journal of Coal Science & Technology》2024年第3期190-207,共18页Sanki Biswas Nicola J.Wagner Ofentse M.Moroeng; This study investigates the paleodepositional conditions of the No.6 Seam of the Madzaringwe Formation in Makhado and Voorburg south area of the Soutpansberg Coalfield(Limpopo Province,South Africa)utilizing organic p...; 关键词：MACERALS Coal facies Geochemical-indices Hydrothermal Madzaringwe formation Soutpansberg Coalfield

Organic matter pores in the chang 7 lacustrine shales from the Ordos Basin and its effect on reflectance measurement: 《Petroleum Science》2023年第1期60-86,共27页Peng Pang Hui Han Xiu-Cheng Tan Shi-Meng Ren Chen Guo Lin Xie Ling-Li Zheng Hai-Hua Zhu Yuan Gao Yun-Hui Xie; This project was funded by the National Natural Science Foundation of China(41972161);the 2021 American Association of Petroleum Geologists Foundation Grants-in-Aid Program and Science and Technology Cooperation Project of the CNPC-SWPU Innovation Alliance(2020CX050103).; To quantify the pore characteristics of various macerals in Chang 7 lacustrine shales,macerals were effectively identified according to their optical and morphological characteristics,and the nanoscale pore structure ...; 关键词：Ordos Basin Chang 7 member OM pore MACERALS Differential developmental characteristics Reflectance

Petrology and organic geochemistry of the Baishaping and Damaidi Devonian cutinitic liptobioliths,west of the Kangdian Uplift,China被引量：1: 《Petroleum Science》2022年第5期1978-1992,共15页Dao-Fu Song Tie-Guan Wang Ping Li Mai Zhang An-Liang Liu Jia-Dong Yan; founded by the National Natural Science Foundation of China(Grant No.42073069)。; Devonian cutinitic liptobiolith is a special type of coal formed during the early evolutionary stage of land plants.The Baishaping and Damaidi Devonian coals are notable for their distinct papery,sheet-like texture,an...; 关键词：Coal chemistry MACERALS Hydrocarbon potential Plant cuticles Tetracyclic diterpenoids

Thermal Decomposition Behavior and Kinetic Study of Jamadoba Coal and Its Density Separated Macerals: A Non-Isothermal Approach被引量：1: 《Advances in Chemical Engineering and Science》2021年第3期203-227,共25页Deepak Chandra Sau Amit Banerjee Sanchita Chakravarty Pragyan Senapati Rabiranjan Murmu Harekrushna Sutar; This kinetic study focuses on determining the thermal gravimetric profile of a particular grade of Indian sub-bituminous coal. A thermogravimetric analyzer (TGA-1000) was employed to investigate the thermal behavior a...; 关键词：Thermal Decomposition Kinetic Study Jamadoba Coal NON-ISOTHERMAL

Spontaneous combustion liability of coal and coal-shale: a review of prediction methods被引量：12: 《International Journal of Coal Science & Technology》2019年第2期151-168,共18页M.Onifade B.Genc; This study presents a review of the various methods to predict the spontaneous combustion liability of coal and coal-shale. The relative propensity of coal to undergo self-heating can be established by different metho...; 关键词：Coalfields SPONTANEOUS combustion LIABILITY MACERALS Numerical and GEOCHEMICAL analysis

Characterization of coal using electron spin resonance： implications for the formation of inertinite macerals in the Witbank Coalfield, South Africa被引量：3: 《International Journal of Coal Science & Technology》2018年第3期385-398,共14页Ofentse M. Moroeng Jonathan M. Keartland R. James Roberts Nicola J. Wagner; Coal contains a significant concentration of free radicals as a result of the coalification process. One of the experimental methods sensitive to the presence of radicals is electron spin resonance （ESR）, and differ...; 关键词：Main Karoo Basin Radical contents Origin pathways CHARRING Fusinite Semifusinite

Microstructural relation of macerals with mineral matter in coals from Ib valley and Umaria, Son-Mahanadi basin, India被引量：8: 《International Journal of Coal Science & Technology》2017年第2期191-197,共7页Vivek Mishra K. N. Singh; Coal petrology provides significant inputs for the industrial utilisation of coal and for broad understanding the coal formation and diagenesis. The present paper entails the results of the investigations carded out o...; 关键词：COAL SEM XRD Umaria coal Ib valley coal INDIA

Geochemistry and Organic Petrography of Jordanian Sultani Oil Shale: 《Open Journal of Geology》2016年第10期1209-1220,共12页Hani Alnawafleh Khalid Tarawneh George Siavalas Kimon Christanis Andreas Iordanidis; The Sultani oil shale (OS) deposit is considered as a major fossil fuel source in Jordan. Applying various petrographic and geochemical techniques, this paper aims to study the Sultani OS geochemical and organic petro...; 关键词：Oil Shale JORDAN BITUMEN Organic Matter Vitrinite Reflectance MACERALS

Geochemistry of Kasnau-Matasukh lignites, Nagaur Basin, Rajasthan （India）被引量：5: 《International Journal of Coal Science & Technology》2016年第2期104-122,共19页Prakash K. Singh Pramod K. Rajak ramod K. Rajak Vijay K. Singh Amiya S. Naik; The distribution and verticals variation of geochemical components in the Kasnau-Matasukh lignites of Nagaur Basin, Rajasthan, were investigated using microscopy, proximate and ultimate analyses, Rock-Eval Pyrolysis, ...; 关键词：GEOCHEMISTRY MACERALS Trace elements Kasnau-Matasukh lignite RAJASTHAN

Coal petrology characteristics of middlings from Qianjiaying fat coal mine被引量：9: 《International Journal of Mining Science and Technology》2013年第5期777-782,共6页Zou Wenjie Cao Yijun Zhang Zhijun Liu Jiongtian; the financial supports by the National Basic Research Program of China(No.2012CB214905);the National Natural Science Foundation of China(No.51274198);the Graduate Education Innovation Project of Jiangsu Province of China(No.CXLX12_0966); The objective of this paper is to evaluate the coal petrology characteristics of slack middlings(13–0.5 mm)of dense media separation and flotation middlings from Qianjiaying fat coal preparation plant.Phase compositi...; 关键词：MIDDLINGS MACERALS Mineral liberation WETTABILITY

MACERALS