• Geological study of the fens  of : Mikri Prespa, Chimaditida, Nissi, Philippi, Kalodiki, Voulkaria, Katouna, Aghya, Keri, Chotousa, Aghios Phloros.
• Mineralogical composition of peats from Philippi, Nissi, Keri.
• Organic-petrography study of the peats from Philippi, Nissi, Keri.
• Application of soil-improvement agents, which derive from peat and lignite, in the rehabilitation of post-mining areas (Milos, Parnass Mt.).
• Trace elements composition of Philippi peat.
• Study of the volcanic ashes cored in the peatlands of Kalodiki and Philippi.
• Geological study of the transitional mires of Elatia, Lailia, Kali Pediada and Voras Mt. (Kaimaktsalan).
• Geological study of the Almyros lignite deposit.
• Geological study of the West-Peloponnese lignite deposits.
• Mineralogical and trace element compositions of the lignites of Almyros and western Peloponnese.
• Organic petrography of the lignites of Ptolemais, Almyros and western Peloponnese.
• Determination of calorific values of solid and liquid fuels.

Organic petrography of the lignites of Ptolemais