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Δημιουργία γεωμετρικού γεωλογικού μοντέλου πιθανού υδροθερμικού πεδίου στην Δ. Μεσσαρά με χρήση γεωλογικών και γεωφυσικών δεδομένων

Ioannou Kyriaki

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Summary

At the southwest area of the sedimentary basin of Messaras Plain there are signs for the existence of low enthalpy geothermal reservoirs. In the framework of the present diploma thesis two and three-dimensional lithology and stratigraphy models were employed, for the study of the spatial distribution of Plio-Quaternary and Neogene formations that cover the possible geothermal reservoir. From these models isodepth and isopach maps were extracted, for the different formations. More specifically, isodepth maps of the Neogene -Alpine Background contact and isopachs of the Plio-Quartenary -Neogene formations were extracted.Next, litho-statigraphy profiles were extracted and together with the isodepth and isopach maps, aided the detection of possible faults. To achieve this, data from 69 boreholes and 104 electrical soundings were employed. The lithology of each borehole is described in detail, and the electrical resistances are assigned to lithology utilizing data from nearby boreholes. The main goal of this thesis is to extract a precise model of the area’s subsurface which will allow the study of the lateral distribution of the Plio-Quaternary and Neogene formations that cover the possible geothermal reservoir and the detection of faults, in the area.

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