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Characteristics of the Dark Marine Mudstone of the Lower Carboniferous Luquantun Formation in the Panshi Area, Central Jilin Province

HONG Xue, PENG Xiao-lei, LIU Li, QU Xi-yu,LI Fu-lai,YANG De-ming   

  1. College of Earth Sciences, Jilin University, Changchun 130061, China
  • Received:2008-09-25 Revised:1900-01-01 Online:2009-03-26 Published:2009-03-26
  • Contact: LIU Li

Abstract: Through geological exploration, typical profile measuring, sample collection and experimental analysis, the author confirmed that the Lower Carboniferous Luquantun Formation was the main horizon that contains dark mudstone in the Panshi area, central Jilin Province. Study by organic petrology and organic geochemistry methods show that the average residual organic carbon of the dark mudstone could reach 1.99%; its organic matter type isⅡ1-Ⅱ2; vitrinite reflectance of 80% samples between 2%-4%, and is mainly at high-to over-mature evolution stage. The Luquantun Formation was potential hydrocarbon source rock in the Songliao basin, and the geochemical index of the dark mudstone was better than those of the Late Paleozoic source rocks. It is of high gas-generating potential.

Key words: Lower Carboniferous, Luquantun Formation, source rock, Panshi, Songliao basin

CLC Number: 

  • P618.13
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