Volume 32 Issue 5
Oct.  2004
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PENG Wen-wu. Geological characteristics of coal-bearing deposits of Longnan coalfield[J]. COAL GEOLOGY & EXPLORATION, 2004, 32(5): 12-14.
Citation: PENG Wen-wu. Geological characteristics of coal-bearing deposits of Longnan coalfield[J]. COAL GEOLOGY & EXPLORATION, 2004, 32(5): 12-14.
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Geological characteristics of coal-bearing deposits of Longnan coalfield

  • Gansu Coal Geological Bureau, Lanzhou 730000, China

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  • Received Date: April 12, 2004
  • Available Online: March 19, 2023
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  • The Jurassic sedimentary characteristics and palaeo-structure distribution of Longnan coalfield are researched based on the data analysis of study area. The research indicated that the palaeo-structure control the coal-bearing deposits through its controlling the distribution of water system and climates. The layers under coal seams in the study area generally containing fluvial sediments suggested that the coal developed in fluvial system. From early to middle Jurassic the coal-forming climate is characterized by migrating from west to east. Therefore, the direction of Wudu palaeo-river is the suitable direction for coal exploration.
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