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18. The onset of Pliocene – Early Pleistocene fluvial aggradation in the Southeastern Alpine Foreland (Velenje Basin, Slovenia) and its paleoenvironmental implicationsEva Mencin Gale, Petra Jamšek Rupnik, Naki Akçar, Marcus Christl, Christof Vockenhuber, Flavio S. Anselmetti, Andrej Šmuc, 2024, izvirni znanstveni članek Povzetek: In this study, we focused on the Pliocene–Early Pleistocene fluvial terraces in the Velenje Basin andreconstructed the morphostratigraphy, sedimentary depositional environment, provenance and age of the graveldeposits using geomorphological, sedimentological, petrographic and chronological analyses. Geomorphologicalmapping revealed the presence of two main river‐terrace groups. The terraces in the older terrace group are severelydegraded and preserved only as remnants capping high ground, while in contrast the younger group is betterpreserved. Detailed lithofacies analyses of four selected stratigraphic sections of the older terrace group show that thegravel was deposited in a meandering and wandering environment. The gravel consists of metamorphic, igneous,volcaniclastic, clastic and carbonate lithologies derived from the north, east and west from the Paka Rivercatchments. To determine the timing of deposition, we performed isochron‐burial dating using cosmogenic 26Al and10 Be. Our new age constraints date the deposition of the older terrace group to 2.7 ± 0.3 Ma. Establishing theaggradation and incision model of the Velenje Basin documents pronounced regional tectonic uplift during thePliocene–Early Pleistocene, which led to incision and the subsequent formation of a terrace staircase.
Ključne besede: isochron‐burial dating, morphostratigraphy, provenance analysis, river terraces, Velenje Basin
Objavljeno v DiRROS: 05.09.2024; Ogledov: 27; Prenosov: 30
 Celotno besedilo (7,81 MB) |
19. Poročilo o preskusu št.: LVG 2024-108 : vzorec št. 2024/00625Barbara Piškur, Patricija Podkrajšek, Špela Hočevar, 2024, izvedensko mnenje, arbitražna odločba Ključne besede: varstvo gozdov, morfološke analize, program preiskav, Fusarium circinatum, borov smolasti rak, PCR v realnem času
Objavljeno v DiRROS: 05.09.2024; Ogledov: 37; Prenosov: 0
Gradivo ima več datotek! Več... |
20. Poročilo o preskusu št.: LVG 2024-107 : vzorec št. 2024/00635Barbara Piškur, Patricija Podkrajšek, Špela Hočevar, 2024, izvedensko mnenje, arbitražna odločba Ključne besede: varstvo gozdov, morfološke analize, program preiskav, Fusarium circinatum, borov smolasti rak, PCR v realnem času
Objavljeno v DiRROS: 05.09.2024; Ogledov: 38; Prenosov: 0
Gradivo ima več datotek! Več... |
