<p>This paper summarises available information on water quality associated with post mining lakes of the lignite fields in Greece. In Greece there are three distinctive districts of lignite mining: Ptolemais-Amynteon basin in Northern Greece, Aliveri district ...

The majority of the thin intercalated sterile layers, which are coexcavated with lignite in the Southern Field mine of Ptolemais, Northern Greece, are petrologically characterized as marly limestones. This paper presents that the improvement of lignite quality, ...