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Mineralogy and Geochemistry of the Lower Cretaceous Coals in the Junde Mine, Hegang Coalfield, Northeastern China

Author

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  • Yingchun Wei

    (State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China
    College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Wenbo He

    (College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Guohong Qin

    (School of Geographic Sciences/Hebei Key Laboratory of Environmental Change and Ecological Construction, Hebei Normal University, Shijiazhuang 050024, China)

  • Anmin Wang

    (College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Daiyong Cao

    (State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China)

Abstract

Hegang coalfield is one of the areas with abundant coal resources in Heilongjiang Province. Characteristics of minerals and geochemistry of No. 26 coal (lower Cretaceous coals) from Junde mine, Hegang coalfield, Heilongjiang province, China, were reported. The results showed that No. 26 coal of Junde mine is slightly enriched in Cs, Pb, and Zr compared with world coals. The minerals in No. 26 coal of Junde mine primarily include clay minerals and quartz, followed by calcite, siderite, pyrite, monazite, and zircon. The diagrams of Al 2 O 3 –TiO 2 , Zr/Sc–Th/Sc, Al 2 O 3 /TiO 2 –Sr/Y, and Al 2 O 3 /TiO 2 –La/Yb indicate that the enriched elements in No. 26 coal were mainly sourced from the Late Paleozoic meta-igneous rocks in Jiamusi block. The volcanic ash contribution to No. 26 coal seems very low. Sulfate sulfur indicating oxidation/evaporation gradually decreases during No. 26 coal formation.

Suggested Citation

  • Yingchun Wei & Wenbo He & Guohong Qin & Anmin Wang & Daiyong Cao, 2022. "Mineralogy and Geochemistry of the Lower Cretaceous Coals in the Junde Mine, Hegang Coalfield, Northeastern China," Energies, MDPI, vol. 15(14), pages 1-21, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5078-:d:861011
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    1. Bagdonas, D.A. & Enriquez, A.J. & Coddington, K.A. & Finnoff, D.C. & McLaughlin, J.F. & Bazilian, M.D. & Phillips, E.H. & McLing, T.L., 2022. "Rare earth element resource evaluation of coal byproducts: A case study from the Powder River Basin, Wyoming," Renewable and Sustainable Energy Reviews, Elsevier, vol. 158(C).
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    Cited by:

    1. Jing Li & Yidong Cai & Lei Zhao, 2022. "Advances in Exploration, Development and Utilization of Coal and Coal-Related Resources: An Overview," Energies, MDPI, vol. 15(24), pages 1-3, December.

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