Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/9991
DC Field | Value | Language |
---|---|---|
dc.contributor.authorall | Voltattorni, N.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.authorall | Lombardi, S.; Università La Sapienza - Dip. Scienze della Terra | en |
dc.contributor.authorall | Beaubien, S. E.; Università La Sapienza - Dip. Scienze della Terra | en |
dc.date.accessioned | 2015-06-16T12:09:23Z | en |
dc.date.available | 2015-06-16T12:09:23Z | en |
dc.date.issued | 2015-02-07 | en |
dc.identifier.uri | http://hdl.handle.net/2122/9991 | en |
dc.description.abstract | Detailed soil gas surveyswere conducted at twomine districts to understand gas migrationmechanisms fromdeposits buried at different depths. The Tolfa (Lazio, Central Italy) and Neves-Corvo (Baixo Alentejo, Portugal) mine districts have different characteristics: the former is relatively shallow (30–100 m) whereas the latter is at a depth of 400–500 m and covered by low-permeability metamorphic rocks. The studied gases included major (N2, O2, CO2) and trace (4He, 222Rn) gases, hydrocarbons (CH4, C2H6 and C3H8) and S compounds (H2S, COS, SO2). The measured concentrations (some examples of max values at Tolfa: Rn 233 Bq/L, CO2 9.5%, CH4 12.3 ppm, COS 3.7 ppm; and at Neves-Corvo: Rn 130 Bq/L, CO2 24.3%, CH4 0.1%) indicate that gases migrate preferentially through zones of brittle deformation by advective processes, as suggested by the relatively high rate of migration needed to obtain anomalies of short-lived 222Rn in the soil pores. Considering the different depths of the two ore deposits, obtained results can be considered as features of near-field (Tolfa) and far-field (Neves- Corvo) gas migration. | en |
dc.language.iso | English | en |
dc.publisher.name | Elsevier Science Limited | en |
dc.relation.ispartof | Journal of geochemical exploration | en |
dc.relation.ispartofseries | /152 (2015) | en |
dc.subject | Soil gas migration | en |
dc.title | Gas migration from two mine districts: The Tolfa (Lazio, Central Italy) and the Neves-Corvo (Baixo Alentejo, Portugal) case studies | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 37-53 | en |
dc.subject.INGV | 04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration | en |
dc.identifier.doi | 10.1016/j.gexplo.2015.01.011 | en |
dc.description.obiettivoSpecifico | 6A. Monitoraggio ambientale, sicurezza e territorio | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | restricted | en |
dc.relation.issn | 0375-6742 | en |
dc.contributor.author | Voltattorni, N. | en |
dc.contributor.author | Lombardi, S. | en |
dc.contributor.author | Beaubien, S. E. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.department | Università La Sapienza - Dip. Scienze della Terra | 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 Roma1, Roma, Italia | - |
crisitem.author.dept | Università La Sapienza | - |
crisitem.author.orcid | 0000-0002-3940-8383 | - |
crisitem.author.orcid | 0000-0001-6127-9744 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
Files in This Item:
File | Description | Size | Format | Existing users please Login |
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Voltattorni et al.2015.pdf | main article | 3.45 MB | Adobe PDF | |
manuscript_revised_2015.pdf | Open Access | 354.66 kB | Adobe PDF | View/Open |
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