Pregled bibliografske jedinice broj: 836501
Characteristics of Middle Triassic volcaniclastic deposits in the External Dinarides (Croatia and Bosnia and Herzegovina)
Characteristics of Middle Triassic volcaniclastic deposits in the External Dinarides (Croatia and Bosnia and Herzegovina) // III kongres na Geolozita na Republika Makedonija, Zbornik na Trudovi -Kniga 1- / Lepitkova, Sonja ; Boev, Blazo (ur.).
Struga: Makedonsko geološko društvo, 2016. str. 319-321 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), ostalo)
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Naslov
Characteristics of Middle Triassic volcaniclastic deposits in the External Dinarides (Croatia and Bosnia and Herzegovina)
Autori
Smirčić, Duje ; Aljinović, Dunja ; Garašić, Vesnica ; Kolar-Jurkovšek, Tea ; Barudžija, Uroš, Hrvatović, Hazim ; Jurkovšek, Bogdan
Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), ostalo
Izvornik
III kongres na Geolozita na Republika Makedonija, Zbornik na Trudovi -Kniga 1-
/ Lepitkova, Sonja ; Boev, Blazo - Struga : Makedonsko geološko društvo, 2016, 319-321
Skup
III kongres na Geolozita na Republika Makedonija
Mjesto i datum
Struga, Sjeverna Makedonija, 30.09.2016. - 02.10.2016
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
External Dinarides; Middle Triassic; volcaniclastics; petrography; biostratigraphy; geochemistry
Sažetak
Middle Triassic volcaniclastic rocks were investigated by means of petrography, biostratigraphy and geochemistry at three localities (Donje Pazarište, Bosansko Grahovo and Zelovo) in the External Dinarides. Petrographic features of volcaniclastics at all three localities are quite different and suggest different genesis. Biostratigraphic analysis, based on conodonts and rare ammonoids, indicate similar, upper Anisian, Illirian stratigraphic position of Donje Pazarište and Bosansko Grahovo sections while the Zelovo section is stratigraphically younger - Upper Fassanian. Geochemical data (EMP – electron microprobe analysis) show that pyroclastic material from Donje Pazarište comprises minerals mostly of acidic magma, while at the locality Zelovo crystaloclasts show more complex composition with the normal and reverse zoned plagioclase crystals. Various types of volcaniclastic deposits, their different mineral composition and other petrographic characteristics can be interpreted in the light of different genesis in a bathymetricaly different Middle Triassic basins accompanied by different volcanic processes.
Izvorni jezik
Engleski
Znanstvena područja
Geologija
POVEZANOST RADA
Ustanove:
Rudarsko-geološko-naftni fakultet, Zagreb
Profili:
Duje Smirčić
(autor)
Dunja Aljinović
(autor)
Uroš Barudžija
(autor)
Vesnica Garašić
(autor)