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Pregled bibliografske jedinice broj: 486864

Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia)

Fio, Karmen; Posilović, Hrvoje; Sremac, Jasenka; Vlahović, Igor; Bermanec, Vladimir; Velić, Ivo
Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia) // 4. Hrvatski geološki kongres s međunarodnim sudjelovanjem, Šibenik, 14-15.10.2010. - Knjiga sažetaka / Marija Horvat (ur.).
Zagreb: Hrvatski geološki institut, 2010. str. 14-15 (poster, nije recenziran, sažetak, znanstveni)

CROSBI ID: 486864 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia)

Autori
Fio, Karmen ; Posilović, Hrvoje ; Sremac, Jasenka ; Vlahović, Igor ; Bermanec, Vladimir ; Velić, Ivo

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
4. Hrvatski geološki kongres s međunarodnim sudjelovanjem, Šibenik, 14-15.10.2010. - Knjiga sažetaka / Marija Horvat - Zagreb : Hrvatski geološki institut, 2010, 14-15

ISBN
978-953-6907-23-6

Skup
4. Hrvatski geološki kongres s međunarodnim sudjelovanjem

Mjesto i datum
Šibenik, Hrvatska, 14.10.2010. - 15.10.2010

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
Fe-authigenic minerals; early-dolomitization; Lower Triassic; Velebit Mt.

Sažetak
Sedimentation from the uppermost Permian to the Lower Triassic deposits in the Velebit Mt. area is continuous (SALOPEK, 1948), and occurs within the lowest part of the informal lithostratigraphic unit of Sandy Dolomite. Lower Triassic deposits are mostly represented by early-diagenetic dolomites characterized by scarce fossil findings and frequent siliciclastic grains. Their composition indicate shallow-water marine depositional environment strongly influenced by the hinterland. Authigenic Fe-mineral association present in these dolomites, mainly pyrite and siderite, can therefore help in reconstruction of diagenetic and geochemical conditions of the dolomitization environment. Dolomitization of the studied sediments containing characteristic mineral association of pyrite, siderite, ankerite and dolomite, occurred in the mixing zone of sea and fresh water. Such dolomitization model is typical for the transgressive sequences (e.g. WRIGHT et al., 1997), which is in line with the ongoing transgression recorded within the Sandy Dolomite unit and continuous siliciclastic input to the shallow-water environment during Early Triassic. Fe-mineral associations and thermodynamic stability of authigenic iron minerals studied within uppermost Permian to Lower Triassic Sandy Dolomites of the Velebit Mt. provided a new tool to reveal diagenetic environment.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA

Projekti:
119-0000000-1158 - Međudjelovanje minerala i okoliša (Bermanec, Vladimir, MZOS ) ( CroRIS)
119-1951293-1162 - Dokazi biotičkih i abiotičkih promjena u fosilnim okolišima (Sremac, Jasenka, MZOS ) ( CroRIS)
195-1953068-0242 - Mikrofosilne zajednice u karbonatnim naslagama Krških Dinarida (Vlahović, Igor, MZOS ) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb,
Hrvatski geološki institut,
Rudarsko-geološko-naftni fakultet, Zagreb

Profili:

Avatar Url Karmen Fio Firi (autor)

Avatar Url Ivo Velić (autor)

Avatar Url Igor Vlahović (autor)

Avatar Url Jasenka Sremac (autor)

Avatar Url Hrvoje Posilović (autor)

Citiraj ovu publikaciju:

Fio, Karmen; Posilović, Hrvoje; Sremac, Jasenka; Vlahović, Igor; Bermanec, Vladimir; Velić, Ivo
Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia) // 4. Hrvatski geološki kongres s međunarodnim sudjelovanjem, Šibenik, 14-15.10.2010. - Knjiga sažetaka / Marija Horvat (ur.).
Zagreb: Hrvatski geološki institut, 2010. str. 14-15 (poster, nije recenziran, sažetak, znanstveni)
Fio, K., Posilović, H., Sremac, J., Vlahović, I., Bermanec, V. & Velić, I. (2010) Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia). U: Marija Horvat (ur.)4. Hrvatski geološki kongres s međunarodnim sudjelovanjem, Šibenik, 14-15.10.2010. - Knjiga sažetaka.
@article{article, author = {Fio, Karmen and Posilovi\'{c}, Hrvoje and Sremac, Jasenka and Vlahovi\'{c}, Igor and Bermanec, Vladimir and Veli\'{c}, Ivo}, year = {2010}, pages = {14-15}, keywords = {Fe-authigenic minerals, early-dolomitization, Lower Triassic, Velebit Mt.}, isbn = {978-953-6907-23-6}, title = {Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia)}, keyword = {Fe-authigenic minerals, early-dolomitization, Lower Triassic, Velebit Mt.}, publisher = {Hrvatski geolo\v{s}ki institut}, publisherplace = {\v{S}ibenik, Hrvatska} }
@article{article, author = {Fio, Karmen and Posilovi\'{c}, Hrvoje and Sremac, Jasenka and Vlahovi\'{c}, Igor and Bermanec, Vladimir and Veli\'{c}, Ivo}, year = {2010}, pages = {14-15}, keywords = {Fe-authigenic minerals, early-dolomitization, Lower Triassic, Velebit Mt.}, isbn = {978-953-6907-23-6}, title = {Authigenic iron minerals as indicators of early-dolomitization in the Sandy Dolomites (uppermost Permian–Lower Triassic, Velebit Mt., Croatia)}, keyword = {Fe-authigenic minerals, early-dolomitization, Lower Triassic, Velebit Mt.}, publisher = {Hrvatski geolo\v{s}ki institut}, publisherplace = {\v{S}ibenik, Hrvatska} }

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