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DOI10.1016/j.earscirev.2018.09.008
Systematic review of geochemical data from thermal springs, gas vents and fumaroles of Southern Italy for geothermal favourability mapping
Minissale A.; Donato A.; Procesi M.; Pizzino L.; Giammanco S.
发表日期2019
ISSN0012-9075
起始页码514
结束页码535
卷号188
英文摘要In recent years, two research projects specifically conceived by Italian Institutions of Research to promote the implementation of the use of geothermal energy in Southern Italy has allowed the review of most data on chemical and isotopic compositions of natural thermal manifestations in the territory of Italy. Two large databases, one for thermal springs and CO 2 -rich springs, and a second one for fumarolic condensates and associated gas phase have been produced and are available on line, with data spanning in time from the early 70's to the present. We have used those data, after careful evaluation of the quality and reliability of them, to produce correlation diagrams and isodistribution maps of some relevant geochemical/geothermal parameters, such as: pCO 2 in thermal springs, %CO 2 and δ 13 C in CO 2 of gas phases, 3 He/ 4 He ratio and %He. In this way, we have been able to delimit the areal patterns of thermal anomalies potentially related with geothermal reservoirs. The cross correlation among the many parameters (>40) selected has allowed the overview on the circulation of fluids at shallow crust, in one of the most active tectonic boundary of the Earth between the African and the Eurasian continents. Shallow circulation of hot fluids is particularly active in the Roman Comagmatic Province, the Neapolitan area and Sicily (both at Etna, Aeolian Archipelago and Pantelleria island in the Sicily Channel) where active geothermal systems are already known, whose areal extension is probably much larger than what envisaged at present. The geothermometric evaluation of data has not allowed to clearly identity new areas apart from those already known but, nevertheless, some areas in the inner Apennines, as well as Sicily and Sardinia have shown anomalous 3 He/ 4 He values that point to the presence of mantle fluids located inside the crust. Being most of active volcanic islands likely much smaller than the thermal anomaly they are associated with, a futuristic perspective of utilizing geothermal fluids off shore is suggested. Moreover, the database and the proposed maps can be a useful tool both scientific community and stakeholders to perform geothermal favourability maps and to identify potential new areas interesting from a geothermal perspective. © 2018
英文关键词Fumaroles; Gas vents; Geochemical prospection; Geothermal potential; Geothermal prospection; Southern Italy; Thermal springs
语种英语
scopus关键词fumarole; geochemistry; geothermal energy; isotopic composition; literature review; mapping; thermal spring; Italy
来源期刊EARTH-SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/209975
作者单位CNR-Italian Council for Research, Institute of Geosciences and Earth Resources (IGG), Via La Pira 4, Firenze, 50121, Italy; CNR-Italian Council for Research, Institute of Geosciences and Earth Resources (IGG), Via Moruzzi 1, Pisa, 56124, Italy; Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, Rome, 00143, Italy; INGV- Istituto Nazionale di Geofisica e Vulcanologia, P.za Roma 2, Catania, 95125, Italy
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Minissale A.,Donato A.,Procesi M.,et al. Systematic review of geochemical data from thermal springs, gas vents and fumaroles of Southern Italy for geothermal favourability mapping[J],2019,188.
APA Minissale A.,Donato A.,Procesi M.,Pizzino L.,&Giammanco S..(2019).Systematic review of geochemical data from thermal springs, gas vents and fumaroles of Southern Italy for geothermal favourability mapping.EARTH-SCIENCE REVIEWS,188.
MLA Minissale A.,et al."Systematic review of geochemical data from thermal springs, gas vents and fumaroles of Southern Italy for geothermal favourability mapping".EARTH-SCIENCE REVIEWS 188(2019).
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