The most Li deposits were found in lake waters or igneous rock.In recent years,anomalous concentrations of lithium in coal have been reported by several coal geologists(Sun et al.,2010,2012a,2013a;Dai et al.,2012).Some coal geologists argued that these concentrations have economic significance(Sun et al.,2012b,2013b,2014).This discovery has even been reported by Khanchuk et al.(2013)in'The Newsletter of Society for Organic Petrology',and the report
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