Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/3744
DC Field | Value | Language |
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dc.contributor.authorall | Baciu, C.; Babes-Bolyai University, Cluj-Napoca, Romania | en |
dc.contributor.authorall | Caracausi, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.authorall | Italiano, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.authorall | Etiope, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.date.accessioned | 2008-04-10T06:18:51Z | en |
dc.date.available | 2008-04-10T06:18:51Z | en |
dc.date.issued | 2007-08 | en |
dc.identifier.uri | http://hdl.handle.net/2122/3744 | en |
dc.description.abstract | Romania is one of the European countries with the most vigorous natural seepage of methane, uprising from pressurised natural gas and petroleum reservoirs through deep faults. The largest seepage zone is represented by large mud volcanoes, with CH4 >80% v/v, occurring on the Berca-Arbanasi hydrocarbon-bearing faulted anticline, in the Carpathian Foredeep. Smaller mud volcanoes have been identified in other areas of the Carpathian Foredeep, in the Transylvanian Depression and on the Moldavian Platform. New surveys carried out in Transylvania allowed us to discover the richest N2 mud volcano zone in the world (N2>90% v/v), with a remarkably high He content and a helium isotopic signature which highlights a contribution of mantle-derived source. The large mud volcanoes are generally quiescent, with rare explosive episodes and provide a methane flux in the order of 102-103 t km−2 y−1. Independently from mud volcanism, a remarkable dry macroseepage, however, has been found, with a degassing rate up to three orders of magnitude higher than that of mud volcanoes (i.e. 103-105 t km−2 y−1). The total gas flux from all investigated macroseepage zones in Romania is estimated in the range of 1500-2500 t y−1. The emission from microseepage, pervasively occurring throughout the hydrocarbon-prone basins, has yet to be assessed and added to the total gas output to the atmosphere. | en |
dc.language.iso | English | en |
dc.publisher.name | Editrice Compositori | en |
dc.relation.ispartof | Annals of Geophysics | en |
dc.relation.ispartofseries | 4/50 (2007) | en |
dc.subject | methane | en |
dc.subject | mud volcanoes | en |
dc.subject | Romania | en |
dc.title | Mud volcanoes and methane seeps in Romania: main features and gas flux | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 501-512 | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry | en |
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BACIU (2002): Methane emission from the mud volcanoes of Sicily (Italy), Geoph. Res. Lett., 29 (8), 56-1 – 56-4, doi: 10.1029/2001GL014340. ETIOPE, G., A. CARACAUSI, F. ITALIANO, R. FAVARA and C. BACIU (2003): Reply to comment by A. Kopf on «Methane emission from the mud volcanoes of Sicily (Italy)» and notice on CH4 flux data from European mud volcanoes, Geoph. Res. Lett., 30(2), 1094, doi: 10.1029/2002GL016287. ETIOPE, G. and R.W. KLUSMAN (2002): Geologic emissions of methane to the atmosphere, Chemosphere, 49, 777-789. ETIOPE, G. and A. MILKOV (2004): A new estimate of global methane flux from onshore and shallow submarine mud volcanoes to the atmosphere, Env. Geol. 46, 997- 1002. ETIOPE, G., C. BACIU, A. CARACAUSI, F. ITALIANO and C. COSMA (2004a): Gas flux to the atmosphere from mud volcanoes in Eastern Romania, Terra Nova, 16, 179- 184. ETIOPE, G., A FEYZULLAYEV., C.L. BACIU and A.V. 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(2000): Worldwide distribution of submarine mud volcanoes and associated gas hydrates, Mar. Geol. 167, 29-42. MOTYKA, R.J., R.J. POREDA andW.A. JEFFREY (1989): Geochemistry, isotopic composition, and origin of fluids emanating from mud volcanoes in the Copper River Basin Alaska, Geochim. Cosmochim. Acta, 53, 29-41, O’NIONS, R.K. and E.R. OXBURGH (1983): Heat and helium in the Earth, Nature, 306, 429-431. O’NIONS, R.K. and E.R. OXBURGH (1988): Helium, volatile fluxes and the development of continental crust, Earth Plan. Sci.Lett., 90, 331-347. PARASCHIV, D. (1979): Romanian oil and gas fields, Inst. Geol. Geoph, Tech. Ec. St., Ec., 13, 5-382. PARASCHIV, D. (1984): On the natural degasification of the hydrocarbon-bearing deposits in Romania, An. Inst. Geol. Geofiz., LXIV, 215-220. PEAHA, M. (1965): The mud volcanoes from Romania St. Cerc. Geol., Geof., Geogr. (Geogr.), 12 (2), 193-206 (in Romanian). SANDULESCU, M. (1984): Geotectonica Romaniei (Ed. Tehnica, Bucharest), pp. 337. SANO, Y., T. TOMINAGA, Y. NAKAMURA and H. WAKITA, (1982): 3He/4He ratios of methane-rich natural gases in Japan, Geochem. J., 16, 237-245. SENCU, V. (1985): Mud volcanoes from Berca (Sport-Turism Publ. House, Bucharest), pp. 21 (in Romanian). VASELLI, O., A. MINISSALE, F. TASSI, G. MAGRO, I. SEGHEDI, D. IOANE and A. SZAKACS (2002): A geochemical traverse across the Eastern Carpathians (Romania): constraints on the origin and evolution of the mineral water and gas discharges, Chem. Geol., 182, 637-654. YANG, T.F., C.Y. CHOU, C.H. CHEN, L.L CHYI and J.H. JIANG (2003): Exhalation of radon and its carrier gases in SW Taiwan, Radiat. Meas., 36, 425-429. | en |
dc.description.obiettivoSpecifico | 3.2. Tettonica attiva | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | open | en |
dc.contributor.author | Baciu, C. | en |
dc.contributor.author | Caracausi, A. | en |
dc.contributor.author | Italiano, F. | en |
dc.contributor.author | Etiope, G. | en |
dc.contributor.department | Babes-Bolyai University, Cluj-Napoca, Romania | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
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 Palermo, Palermo, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.orcid | 0000-0003-2510-2890 | - |
crisitem.author.orcid | 0000-0002-9465-6398 | - |
crisitem.author.orcid | 0000-0001-8614-4221 | - |
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.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 | - |
Appears in Collections: | Annals of Geophysics Article published / in press |
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