Geochemical implications of minerals and environmentally sensitive elements of Giral lignite, Barmer Basin, Rajasthan (India)

  • Pramod K. Rajak
  • Vijay K. Singh
  • Prakash K. SinghEmail author
  • Asha Lata Singh
  • Narendra Kumar
  • Om Prakash Kumar
  • Vishvajeet Singh
  • Aniruddha Kumar
Original Article


The Barmer Basin of Rajasthan is significant for its Paleogene lignite sequences. The lignite seam occurs in Akli Formation of Barmer Basin at the depth of 06–241 m. A total of 57 lignite samples were collected from the working faces of lignite mine and were subjected to proximate analysis (moisture, ash yield, volatile matter, and fixed carbon), ultimate analysis (carbon, hydrogen, nitrogen, oxygen and sulfur), elemental analysis (Fe, Ca, Mg, Cd, Mn, K, Na, Cu, Co, Ni, Cr, Zn, and Pb) and rock-eval pyrolysis for mineral carbon (MINC). Some elements like Cu, Cd, Co, Ni, Zn, Pb, Na, and K occur in high concentration, while Mg and Ca have their concentrations lower than World Clarke average. In addition, various minerals and functional groups present in the lignite samples were analyzed through X-ray diffraction and Fourier transform infrared (FTIR) spectroscopy. The mineral (weight and atomic) percentage has also been analyzed through scanning electron microscopy–energy dispersive spectroscopy (SEM–EDS).


Giral lignite Barmer Basin Rajasthan Geochemistry 



The authors thankfully acknowledge the Departments of Geology and Botany, Banaras Hindu University, for extending the facilities.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Pramod K. Rajak
    • 1
  • Vijay K. Singh
    • 1
  • Prakash K. Singh
    • 1
    Email author
  • Asha Lata Singh
    • 2
  • Narendra Kumar
    • 3
  • Om Prakash Kumar
    • 1
  • Vishvajeet Singh
    • 1
  • Aniruddha Kumar
    • 2
  1. 1.M P Singh Lab of Coal and Organic Petrology, Centre of Advanced Study in GeologyBanaras Hindu UniversityVaranasiIndia
  2. 2.Bioremediation Lab, Department of Botany, Centre of Advanced StudyBanaras Hindu UniversityVaranasiIndia
  3. 3.Department of Environmental ScienceBabasaheb Bhimrao Ambedkar UniversityLucknowIndia

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