Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/11685| DC Field | Value | Language |
|---|---|---|
| dc.date.accessioned | 2018-04-10T09:17:10Z | en |
| dc.date.available | 2018-04-10T09:17:10Z | en |
| dc.date.issued | 2017 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/11685 | en |
| dc.description.abstract | We show the results of a study on the volatiles dissolved inmineral waters discharged over a 200 km-long transect along the Rodna-Bârgău area and Călimani-Gurghiu-Harghita volcanic chain (Eastern Carpathians, Romania). All of the collected mineral water samples carry dissolved gas with carbon dioxide content up to 1.99 cm3STP/gH2O, and heliumcontent up to 2.3 × 10−5 cm3STP/gH2O. Carbon (δ13CTDIC total dissolved inorganic carbon, ranging from−15.6 to 5.32‰vs. VPDB), He systematics (He isotopes in the range of 0.38–0.99 Ra, Ra=air-normalized 3He/4He ratio) and CO2/3He ratio spanning over four orders ofmagnitude fromMORB-like values of 2.92× 109 to crustal-type values of 3.02 × 1013, coherently indicate the presence of fluids fromdifferent crustal sources (e.g. sediments, hydrocarbon reservoirs) besidesminor, but detectable contributions ofmantle/magmatic-derived fluids (up to 16.45%). Our investigations show that the wide range of chemical and isotopic composition can be explained in terms of mixings among different gas sources feeding the groundwater and the contemporary occurrence of gas-water interactions like degassing and deposition of carbonates, affecting the circulating waters after their infiltration. | en |
| dc.language.iso | English | en |
| dc.relation.ispartof | Chemical Geology | en |
| dc.relation.ispartofseries | /469 (2017) | en |
| dc.subject | Eastern Carpathians | en |
| dc.subject | Dissolved gases | en |
| dc.subject | Gas-water interactions | en |
| dc.subject | Helium 13CTDIC | en |
| dc.title | Geochemistry of dissolved gases from the Eastern Carpathians - Transylvanian Basin boundary | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 117-128 | en |
| dc.subject.INGV | gas geochemistry | en |
| dc.identifier.doi | 10.1016/j.chemgeo.2016.12.019 | en |
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A geochemical traverse across the Eastern Carpathians (Romania): constraints on the origin and evolution of themineral waters and gas discharge. Chem. Geo. 182, 637–654. Yang, T.F., Lan, T.F., Lee, H.F., Fu, C.C., Chuang, P.C., Lo, C., Chen, C.H., Chen, C.T.A., Lee, C.S., 2005. Gas composition and helium isotopic ratios on fluid samples around Kueishantao NE offshore Taiwan and its tectonic implications. Geochem. J. 39, 469–480. Zhang, J., Quay, P.D.,Wilbur, D.O., 1995. Carbon isotope fractionation during gas-water exchange and dissolution of CO2. Geochim. Cosmochim. Acta 59, 107–114. | en |
| dc.description.obiettivoSpecifico | 6A. Geochimica per l'ambiente | en |
| dc.description.journalType | JCR Journal | en |
| dc.contributor.author | Italiano, Francesco | en |
| dc.contributor.author | Kis, Boglarka-Mercedesz | en |
| dc.contributor.author | Baciu, Calin | en |
| dc.contributor.author | Ionescu, Artur | en |
| dc.contributor.author | Harangi, Szabolcs | en |
| dc.contributor.author | Palcsu, László | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia | en |
| dc.contributor.department | Eötvös University Budapest, Hungary; Babeş-Bolyai University, Cluj-Napoca, Romania | en |
| dc.contributor.department | Babeş-Bolyai University, Cluj-Napoca, Romania | en |
| dc.contributor.department | Babeş-Bolyai University, Cluj-Napoca, Romania | en |
| dc.contributor.department | Eötvös University Budapest, Hungary; | en |
| dc.contributor.department | Eötvös University Budapest, Hungary; | 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 Palermo, Palermo, Italia | - |
| crisitem.author.dept | MTA‐ELTE Volcanology Research Group, Budapest, Hungary | - |
| crisitem.author.dept | Eötvös University Budapest, Hungary; | - |
| crisitem.author.orcid | 0000-0002-9465-6398 | - |
| crisitem.author.orcid | 0000-0003-4458-1639 | - |
| crisitem.author.orcid | 0000-0002-2543-2155 | - |
| crisitem.author.orcid | 0000-0003-2372-4581 | - |
| crisitem.author.orcid | 0000-0002-6542-7537 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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