Locating Interesting Geothermal Areas In The Tuscany Region (Italy) By Geochemical And Isotopic Methods

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Journal Article: Locating Interesting Geothermal Areas In The Tuscany Region (Italy) By Geochemical And Isotopic Methods

Abstract
In the western and central part of Siena province some zones have been individuated for the first time as being of considerable interest to geothermal fluid research. Geochemical prospecting on the thermal manifestations in this area has permitted the delimitation of the zones where the Na-K-Ca ratio reveals high underground temperatures. On the other hand isotopic analyses show that, in these same localities, there is an isotopic exchange between the oxygen of the water and that of the rocks. This exchange has previously been noted in geothermal fluids. These observations lead to the conclusion that the thermal manifestations under study, which also seem to be situated where there are important basement fractures, are the result of a mixing of geothermal steam condensate and the shallow circulation waters.

Authors 
R. Fancelli and S. Nuti








Published Journal 
Geothermics, 1974





DOI 
Not Provided
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Citation

R. Fancelli,S. Nuti. 1974. Locating Interesting Geothermal Areas In The Tuscany Region (Italy) By Geochemical And Isotopic Methods. Geothermics. (!) .