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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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001-es BibID:	BIBFORM106606
035-os BibID:	(WoS)000473809300024 (Scopus)85068445399 (cikkazonosító)351
Első szerző:	Ottens, Berthold
Cím:	Exceptional Multi Stage Mineralization of Secondary Minerals in Cavities of Flood Basalts from the Deccan Volcanic Province, India / Berthold Ottens, Jens Götze, Ralf Schuster, Kurt Krenn, Christoph Hauzenberger, Benkó Zsolt, Torsten Vennemann
Dátum:	2019
ISSN:	2075-163X
Tárgyszavak:	Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Deccan Volcanic Province zeolites subsurface filamentous fabrics biosignatures apophyllite geochronology multistage mineralization
Megjelenés:	Minerals. - 9 : 6 (2019), cikkazonosító 351, p. 1-41-. -
További szerzők:	Götze, Jens Schuster, Ralf Krenn, Kurt Hauzenberger, Christoph Benkó Zsolt (1980-) (geológus) Vennemann, Torsten
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001-es BibID:	BIBFORM106605
035-os BibID:	(cikkazonosító)444 (WoS)000785056900001 (Scopus)85127646274
Első szerző:	Ottens, Berthold
Cím:	The Secondary Minerals from the Pillow Basalt of Salsette-Mumbai, Deccan Volcanic Province, India / Berthold Ottens, Ralf Schuster, Zsolt Benkó
Dátum:	2022
ISSN:	2075-163X
Tárgyszavak:	Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Deccan Volcanic Province secondary minerals zeolites prehnite-pumpellyite facies geochronology
Megjelenés:	Minerals. - 12 : 4 (2022), cikkazonosító 444, p. 1-30-. -
További szerzők:	Schuster, Ralf Benkó Zsolt (1980-) (geológus)
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001-es BibID:	BIBFORM114427
035-os BibID:	(cikkazonosító)1083 (WoS)001056422600001 (Scopus)85169106944
Első szerző:	Varga Andrea (geológus)
Cím:	Effects of Metasomatism on Granite-Related Mineral Systems: A Boron-Rich Open Greisen System in the Highiş Granitoids (Apuseni Mountains, Romania) / Andrea Varga, Attila Pozsár, Norbert Zajzon, Boglárka Topa, Zsolt Benkó, Elemér Pál-Molnár, Béla Raucsik
Dátum:	2023
ISSN:	2075-163X
Megjegyzések:	Greisenization is typically linked with highly fractionated granites and is often associated with hydrothermal vein systems. Late to postmagmatic metasomatic processes involve the enrichment of volatile components such as boron and halogens as well as several metallic elements. The purpose of this study is to reveal the main metasomatic effects and paragenetic sequences of the related mineralizations in Highiş granitoids, Romania. In a natural outcrop, more than 30 samples were collected from granitoids, felsic veins, and country rocks. We carried out a detailed mineralogical and petrological characterization of carefully selected samples using X-ray powder diffractometry, electron microprobe analysis, and microscopic methods together with K-Ar ages of whole rocks and K-bearing minerals. Several characteristic features of albitization, sericitization, tourmalinization, epidotization, and hematitization were recognized in the studied samples. Crystallization of quartz, K-feldspar, and magnetite represents the first stage during the magmatic-hydrothermal transition. The mineral assemblage of albite, sericite, schorl, and quartz originates from the early and main stages of greisenization. While the subsequent mineral assemblages, which predominantly include dravite, specular hematite, and epidote, are closely related to the late vein-depositing stage. We propose that the study area could belong to a boron-rich open greisen system in the apical portion of Guadalupian A-type granite. Based on a new hypothesis, the previously published Permian crystallization ages (between ~272 Ma and ~259 Ma) could be homogenized and/or partially rejuvenated during the hydrothermal mineralization processes due to uraniferous vein minerals. Additionally, the Highiş granite-related system suffered a Cretaceous thermal overprint (between ~100 Ma and ~96 Ma). The results may help to understand the evolution of highly evolved granite intrusions worldwide and improve our knowledge of the effect of hydrothermal mineralization processes on the emplacement ages.
Tárgyszavak:	Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk greisen system petrography specular hematite epidote tourmaline chemistry metasomatism hydrothermal mineralization thermal overprint
Megjelenés:	Minerals. - 13 : 8 (2023), p. 1-8. -
További szerzők:	Pozsár Attila Zajzon Norbert Topa Boglárka Benkó Zsolt (1980-) (geológus) Pál-Molnár Elemér Raucsik Béla
Pályázati támogatás:	K108375 NKFIH K131690 NKFIH
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