Solfatara Magmatic-Hydrothermal System

Geochemistry, Geothermometry and Geobarometry of Fumarolic Fluids

AvLuigi Marini,Claudia Principe

Häftad, Engelska, 2023

Del i serien Advances in Volcanology

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Beskrivning

This book includes innovative gas-geothermometers and geobarometers, which are urgently needed to estimate the increasingly higher temperatures and pressures present at depth below the Solfatara volcano, owing to its on-going unrest. Therefore, in this book, new gas geoindicators, applicable up to ca. 1000°C and 3 kbar, have been implemented and applied to Solfatara fluids. The innovations of this book include: methane, having a sluggish behavior, was treated separately from fast-reacting carbon monoxide; deviations from the ideal gas behavior were considered; the effects of reaction kinetics were taken into account. This was possible because a dataset including many geochemical parameters and extending from 1983 to 2020 with a good sampling frequency is available for Solfatara, making it a case history probably unique worldwide. Nevertheless, the gas geoindicators described in this book can be applied to other similar systems. Thus, this book is of interest to many scientists studying gas geochemistry, geothermometry, and geobarometry for volcanic surveillance and the mitigation of the volcanic risk.

Produktinformation

Utgivningsdatum:2023-05-07
Mått:178 x 254 x undefined mm
Format:Häftad
Språk:Engelska
Serie:Advances in Volcanology
Antal sidor:375
Förlag:Springer Nature Switzerland AG
ISBN:9783030984731

Utforska kategorier

Geovetenskap inom Naturvetenskap och teknik
Geologi inom Naturvetenskap och teknik
Fysik inom Naturvetenskap och teknik

Mer om författaren

Luigi Marini has an activity record of more than 40 years in applied geochemistry, both in the industrial sector (in the companies of the ENI Group Geotecneco and Aquater and in the private companies Geotermica Italiana, Chemgeo, and STEAM), as well as in the teaching and research sector, at the University of Genova and at the Institute of Geosciences and Earth Resources of the National Research Council of Italy (IGG-CNR) in Pisa. He has been involved in several applied-research projects (funded by the European Union, the Italian Ministry of University and Research, CNR, the Tuscany Region, etc.) to develop new geochemical methodologies. Claudia Principe serves as a Senior Researcher at the Institute of Geosciences and Earth Resources of CNR (IGG-CNR) of Pisa where she leads the laboratories for archaeomagnetic measurements and microstratigraphic coring studies. Her research interests include the chrono-stratigraphy and geologicalmapping in volcanic areas for the evaluation of the volcanic hazard as well as the history of volcanology and geo-archaeology for the reconstruction of palaeoenvironments. She is author of more than 160 scientific articles and geological maps of several volcanoes. Matteo Lelli received his M.Sc. and Ph.D. degrees in Earth Sciences at the University of Pisa in 1999 and 2004, respectively. Since 2010, he is serving as a researcher at the Institute of Geosciences and Earth Resources of the National Research Council of Italy (IGG-CNR) in Pisa, where he currently leads the fluid geochemical laboratory for water and gas analyses. His research activity is focused on fluid geochemistry in different frameworks. He participated in several scientific and/or industrial projects aimed at the exploration and exploitation of geothermal resources and the evaluation and mitigation of volcanic hazard both in Italy (Aeolian Islands, Campi Flegrei, Larderello and Monte Amiata) and abroad.

Innehållsförteckning

Preface.- Introduction.- 1. Historical data.- 2. Summary of the Campi Flegrei geology.- 3. The magmatic – hydrothermal system hosted in the Campi Flegrei caldera with emphasis on the Solfatara.- 4. The expansion (decompression) of the Solfatara fumarolic fluids.- 5. Chemical and isotopic characteristics of Solfatara-Pisciarelli fumarolic fluids.- 6. The geoindicators involving H2O, CO2, CO, CH4 and H2.- 7. The chemical kinetics of the reactions involving H2O, CO2, CO, CH4 and H2.- 8. Calibration and application of the RWG and SS4 indicators for the possible expansion paths of Solfatara fluids.- 9. The redox potential and sulfur gas species.- 10. Soil CO2 diffuse degassing and thermal energy release as indicators of volcanic unrest in the Solfatara-Pisciarelli area.- 11. A comparison between the Solfatara and other magmatic-hydrothermal systems.- 12. Conclusive remarks.