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Pregled bibliografske jedinice broj: 768852

Early Miocene European loess: A new record of aridity in southern Europe


Pavelić, Davor; Kovačić, Marijan; Banak, Adriano; Jiménez-Moreno, Gonzalo; Marković, Frane; Pikelj, Kristina; Vranjković, Alan; Premužak, Lucija; Tibljaš, Darko; Belak, Mirko
Early Miocene European loess: A new record of aridity in southern Europe // Geological Society of America bulletin, 128 (2016), 1/2; 110-121 doi:10.1130/B31280.1 (međunarodna recenzija, članak, znanstveni)


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Naslov
Early Miocene European loess: A new record of aridity in southern Europe

Autori
Pavelić, Davor ; Kovačić, Marijan ; Banak, Adriano ; Jiménez-Moreno, Gonzalo ; Marković, Frane ; Pikelj, Kristina ; Vranjković, Alan ; Premužak, Lucija ; Tibljaš, Darko ; Belak, Mirko

Izvornik
Geological Society of America bulletin (0016-7606) 128 (2016), 1/2; 110-121

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
loess; aridity; Early Miocene; Pannonian Basin System; Croatia

Sažetak
Intercalation of silty units and coarse-grained units represented by conglomerates and breccia characterize a Lower Miocene terrestrial sedimentary sequence in the North Croatian Basin, a part of the south-western Pannonian Basin System. These sediments were previously interpreted as alluvial sediments where the silty units would reflect deposition on a floodplain. However, in this study we show new results that support a different interpretation of the genesis of the silty units. The units, which vary in thickness between 6 and 180 cm, are mostly composed of structureless loose silt. They are brownish yellow to yellowish brown in colour, and do not contain fossils. Scanning electron microscopy indicated that quartz grains show fracture faces, conchoidal fractures, V-shaped percussion marks, linear steps and conchoidal crushing features. Such microtextures together with the macroscopic characteristics of the silt units indicate that they were deposited by wind. Therefore, this study reports the first occurrence of Miocene loess outside of China. Silt-sized particles were probably produced by salt-weathering processes on salina-type lake flats during long arid periods. Alluvial deposition was controlled by a more humid climate, so the intercalation of eolian silty units with alluvial conglomerates and breccias reflects alternation of arid and more humid periods in the early Miocene. This agrees with regional paleoclimate studies that show cyclicity in the climate, with a dry cycle, and orbital-scale climate variability controlling palaeoenvironmental and sedimentary changes in the area during the early Miocene.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekti:
181-181-1096-1093
119-1191155-1159 - Od subdukcije do današnjih jadranskih plaža: glavne promjene u razvitku Dinarida (Kovačić, Marijan, MZOS ) ( POIROT)
195-1951293-2703 - Neogenski kopneni okoliši Panonskog bazena i krških područja (Pavelić, Davor, MZOS ) ( POIROT)

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

Citiraj ovu publikaciju:

Pavelić, Davor; Kovačić, Marijan; Banak, Adriano; Jiménez-Moreno, Gonzalo; Marković, Frane; Pikelj, Kristina; Vranjković, Alan; Premužak, Lucija; Tibljaš, Darko; Belak, Mirko
Early Miocene European loess: A new record of aridity in southern Europe // Geological Society of America bulletin, 128 (2016), 1/2; 110-121 doi:10.1130/B31280.1 (međunarodna recenzija, članak, znanstveni)
Pavelić, D., Kovačić, M., Banak, A., Jiménez-Moreno, G., Marković, F., Pikelj, K., Vranjković, A., Premužak, L., Tibljaš, D. & Belak, M. (2016) Early Miocene European loess: A new record of aridity in southern Europe. Geological Society of America bulletin, 128 (1/2), 110-121 doi:10.1130/B31280.1.
@article{article, author = {Paveli\'{c}, Davor and Kova\v{c}i\'{c}, Marijan and Banak, Adriano and Jim\'{e}nez-Moreno, Gonzalo and Markovi\'{c}, Frane and Pikelj, Kristina and Vranjkovi\'{c}, Alan and Premu\v{z}ak, Lucija and Tiblja\v{s}, Darko and Belak, Mirko}, year = {2016}, pages = {110-121}, DOI = {10.1130/B31280.1}, keywords = {loess, aridity, Early Miocene, Pannonian Basin System, Croatia}, journal = {Geological Society of America bulletin}, doi = {10.1130/B31280.1}, volume = {128}, number = {1/2}, issn = {0016-7606}, title = {Early Miocene European loess: A new record of aridity in southern Europe}, keyword = {loess, aridity, Early Miocene, Pannonian Basin System, Croatia} }
@article{article, author = {Paveli\'{c}, Davor and Kova\v{c}i\'{c}, Marijan and Banak, Adriano and Jim\'{e}nez-Moreno, Gonzalo and Markovi\'{c}, Frane and Pikelj, Kristina and Vranjkovi\'{c}, Alan and Premu\v{z}ak, Lucija and Tiblja\v{s}, Darko and Belak, Mirko}, year = {2016}, pages = {110-121}, DOI = {10.1130/B31280.1}, keywords = {loess, aridity, Early Miocene, Pannonian Basin System, Croatia}, journal = {Geological Society of America bulletin}, doi = {10.1130/B31280.1}, volume = {128}, number = {1/2}, issn = {0016-7606}, title = {Early Miocene European loess: A new record of aridity in southern Europe}, keyword = {loess, aridity, Early Miocene, Pannonian Basin System, Croatia} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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