Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/7039
DC Field | Value | Language |
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dc.contributor.authorall | Chiodini, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Caliro, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Cardellini, C.; Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
dc.contributor.authorall | Frondini, F.; Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
dc.contributor.authorall | Inguaggiato, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.authorall | Matteucci, F.; Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
dc.date.accessioned | 2011-06-28T05:28:36Z | en |
dc.date.available | 2011-06-28T05:28:36Z | en |
dc.date.issued | 2011 | en |
dc.identifier.uri | http://hdl.handle.net/2122/7039 | en |
dc.description.abstract | We describe the results of a detailed hydrogeochemical campaign on the groundwater circulating in two regional aquifers located in the area of the Abruzzo 2009 earthquakes. The influx of deeply derived CO2 rich gases into the two aquifers is highlighted by the 13C isotopic composition of dissolved carbon species. The source of the gas is roughly localised beneath the epicentral area of the earthquakes where the presence of sources of fluids under high pressure is suggested by seismological investigations. The carbon isotopic-mass balance of the aquifers indicates that the amount of the deep CO2 dissolved and transported by the groundwaters is ~530 t/day. The chemical and isotopic composition of the gas entering the aquifers, named Abruzzo gas, has been derived by comparing the data measured in the springs with the results of a gas–water– rock reaction model, that simulates the evolution of the chemical and isotopic composition of groundwater affected by the input of a deeply-derived CO2 rich gas phase. The composition of Abruzzo gas is compared to that of 40 large gas emissions located in central Italy. The gas becomes progressively richer in radiogenic elements (4He and 40Ar) and in N2, from the volcanic complexes in the west to the Apennines in the east. The Abruzzo gas, in agreement with its location, well matches the composition of the gases emitted in the pre- Apennine region. These geochemical features, consistent with the structural setting of the region, indicate increasing residence times of the gas in the crust moving from west to east. In particular we suggest that the strong increase in radiogenic crustal gases reflects the occurrence of deep traps where the gas is stored at high pressures for a long time and that such high pressure gas pockets play a major role in the generation of Apennine earthquakes. | en |
dc.language.iso | English | en |
dc.publisher.name | Elsevier | en |
dc.relation.ispartof | Earth and Planetary Science Letters | en |
dc.relation.ispartofseries | /304 (2011) | en |
dc.subject | carbon dioxide | en |
dc.subject | Abruzzo earthquakes | en |
dc.subject | carbon isotopes | en |
dc.subject | helium isotopes | en |
dc.title | Geochemical evidence for and characterization of CO2 rich gas sources in the epicentral area of the Abruzzo 2009 earthquakes | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 389–398 | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques | en |
dc.identifier.doi | 10.1016/j.epsl.2011.02.016 | en |
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Multiple mantle metasomatism in central-southern Italy: geochemical effects, timing and geodynamic implications. Geology 27, 315–318. Piccinini, D., Saccorotti, G., 2008. First observations of non-volcanic, long-period seismicity in the Central Apennines, Italy. Geophys. Res. Lett. 35, L12303. Rice, J.R., 1992. Fault stress states, pore pressure redistributions, and the weakness of the San Andreas fault. In: Evans, B., Wong, T.F. (Eds.), Fault Mechanics and Transport Properties of Rock. Academic Press Ltd., San Diego, pp. 476–503. Salvati, R., 2002. Natural hydrogeological laboratories; a new concept in regional hydrogeology studies; a case history from central Italy. Environ. Geol. 41, 960–965. Sibson, R.H., 2000. Fluid involvement in normal faulting. J. Geodyn. 29, 449–469. Terakawa, T., Zoporowski, A., Galvan, B., Miller, S.A., 2010. High-pressure fluid at hypocentral depths in the L'Aquila region inferred from earthquake focal mechanisms. Geology. doi:10.1130/G31457.1 | en |
dc.description.obiettivoSpecifico | 2.4. TTC - Laboratori di geochimica dei fluidi | en |
dc.description.obiettivoSpecifico | 4.5. Studi sul degassamento naturale e sui gas petroliferi | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Chiodini, G. | en |
dc.contributor.author | Caliro, S. | en |
dc.contributor.author | Cardellini, C. | en |
dc.contributor.author | Frondini, F. | en |
dc.contributor.author | Inguaggiato, S. | en |
dc.contributor.author | Matteucci, F. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Bologna, Bologna, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Dipartimento di fisica e Geologia di Perugia | - |
crisitem.author.dept | Dipartimento di Scienze della Terra, Universita` di Perugia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia | - |
crisitem.author.dept | Dipartimento di Scienze della Terra, Università di Perugia, Piazza dell'Università, 06123 Perugia, Italy | - |
crisitem.author.orcid | 0000-0002-0628-8055 | - |
crisitem.author.orcid | 0000-0002-8522-6695 | - |
crisitem.author.orcid | 0000-0002-7539-9541 | - |
crisitem.author.orcid | 0000-0003-3726-9946 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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