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Geothermal Energy

Science – Society – Technology

Fig. 3 | Geothermal Energy

Fig. 3

From: Geothermal resources assessment using temperature–depth relationships in the fault-controlled hydrothermal system of Aristino-Traianoupolis area, Northern Greece

Fig. 3

Geological map and cross section of the wider area of the AGF, simplified and compiled from Papadopoulos (1980). The southern part of the geological cross-section ABC, for depths up to 500 m, is based on wells cuttings examination. 1. Torrential deposits (Holocene), 2. Terrace systems (red clays to sandy clays) (Pleistocene), 3. Gray clays and conglomerates of volcanites and tuffs (Upper Pliocene–Pleistocene), 4. Oolitic limestones (Upper Miocene), 5. Rhyolites (Oligocene–Lower Miocene), 6. Clays, marls, and fine-grained sandstones (Oligocene), 7. Sandy-calcareous facies (Upper Eocene–Priabonian), 8. Dacitoid andesites (domes, dykes, pillow lavas) silicified and kaolinitized (Upper Eocene) 9. Rhyodacites (domes, dykes, pillow lavas) (Upper Eocene), 10. Tuffs-tuffites (Upper Eocene), 11. Andesites (domes, dykes, pipes), (Middle Eocene-Oligocene), 12. Nummulitic limestones (Middle Eocene–Upper Lutetian), 13. Clayey-marly series (Middle Eocene–Lower Lutetian), 14. Basic clastic series (Middle Eocene–Lower Lutetian), 15. Hyaloclastite volcanic breccia (ignimbrite flows), 16. Dolerites, spilites, 17. Fault, 18. Probable fault, 19. Prospected geothermal area, wells location, 20. Thermal spring discharge area

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