Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 37, Issue 17, Pages 1836-1845Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2011.646109
Keywords
coal; detrital source; geochemistry; Indonesia; Tarakan basin; trace elements
Funding
- SAP, UGC, Government of India
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Coal samples from Tarakan basin of East Kalimantan, Indonesia are analyzed for selected major and trace elements and significance of the relationships established among them. They contain high concentrations of Ca, Fe, Mn, Na, K, Cd, Cu, Cr, Ni, Pb, and Zn as compared to Clark's values for upper continental crust and bituminous coals. The correlation matrix among them indicates a positive relation of Cr, Fe, Mn, Na, K, and total sulphur with inorganic matter. This indicates their derivation from a detrital source. However, Ni and Ca have shown a strong affinity with organic matter.
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