Alpine Orogeny, Apennines, Apuane Alps, basement, basins, clay minerals, deep-seated structures, Devonian, drilling, energy sources, Europe, Farma Formation, geothermal fields, geothermal systems, granites, Hercynian Orogeny, igneous rocks, Italy, Larderello, lithostratigraphy, metamorphic rocks, metamorphism, metasedimentary rocks, mineral composition, Monte Amiata, nappes, Northern Apennines, orogeny, P-T conditions, Paleozoic, petrology, plutonic rocks, Sardinia Italy, sheet silicates, silicates, Southern Europe, tectonics, Tuscan Nappe, Tuscany Italy, Verrucano Formation
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