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001-es BibID:BIBFORM106600
035-os BibID:(cikkazonosító)8 (WoS)000926809000001 (Scopus)85146678067
Első szerző:B. Kiss Gabriella
Cím:Tracing the Source of Hydrothermal Fluid in Ophiolite-Related Volcanogenic Massive Sulfide Deposits : A Case Study from the Italian Northern Apennines / Gabriella B. Kiss 1, Kata Molnár, Zsolt Benkó, Péter Skoda, Zsuzsanna Kapui, Giorgio Garuti, Federica Zaccarini, László Palcsu, György Czuppon
Dátum:2022
ISSN:2075-163X
Megjegyzések:The Italian Northern Apennines contain several Fe-Cu-Zn-bearing, Cyprus-type volcanogenic massive sulfide (VMS) deposits, which significantly contribute to the Cu resources of Italy. The massive sulfide lenses and related stockwork mineralizations are hosted by several levels (from basalt to serpentinite) of the unmetamorphosed ophiolitic series; therefore, this region offers perfect locations to study the ore-forming hydrothermal system in detail. A combination of fluid inclusion microthermometry, Raman spectroscopy, electron probe analyses (chlorite thermometry) and stable and noble gas isotope geochemistry was used to determine the fluid source of the VMS system at Bargone, Boccassuolo, Campegli, Casali-Monte Loreto, Corchia, Reppia and Vigonzano. This question of the fluid source is the focus of modern VMS research worldwide, as it has a direct influence on the metal content of the deposit. The obtained temperature and compositional data are both in the typical range of VMS systems and basically suggest evolved seawater origin for the mineralizing fluid. Modification of seawater was most commonly due to fluid-rock interaction processes, which happened during long-lasting circulation in the crust. The role of a small amount of magmatic fluid input was traced only at the lower block of Boccassuolo, which may be responsible for its higher ore grade. This fluid origin model is evidenced by O, H and C stable isotopic as well as He, Ne and Ar noble gas isotopic values.
Tárgyszavak:Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Cyprus-type VMS
Italian ophiolite
fluid inclusion study
stable isotope geochemistry
noble gas isotope geochemistry
Megjelenés:Minerals. - 13 : 1 (2022), p. 1-18. -
További szerzők:Molnár Kata Benkó Zsolt (1980-) (geológus) Skoda Péter Kapui Zsuzsanna Garuti Giorgio Zaccarini Federica Palcsu László (1975-) (fizikus) Czuppon György
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