Mammal-bearing Pleistocene deposits,Vranic,southwestern Pannonian Basin System  

作　　者：Adriano Banak Zsòfia Ruszkiczay-Rüdiger Anita Grizelj Martina Đuras Kresimir Petrinjak ASTER Team Alexander Wieser Monika Milosevic Davor Pavelic 

机构地区：[1]Department of Geology,Croatian Geological Survey,Milana Sachsa 2,HR-10000 Zagreb,Croatia [2]Institute for Geological and Geochemical Research,HUN-REN Research Centre for Astronomy and Earth Sciences(MTA Centre of Excellence),Budaorsi Street 45,1112 Budapest,Hungary [3]The Faculty of Veterinary Medicine,University of Zagreb,Heinzelova 55,HR-10000 Zagreb,Croatia [4]CEREGE,CNRS-IRD-College de France-INRAE UM34,Aix-Marseille Universite,Aix-en-Provence,France [5]Faculty of Physics-Isotope Physics,University of Vienna,Wahringer Straße 17,1090 Vienna,Austria [6]Faculty of Mining,Geology and Petroleum Engineering,University of Zagreb,Pierottijeva 6,HR-10000 Zagreb,Croatia

出　　处：《Journal of Palaeogeography》2024年第3期430-452,共23页古地理学报（英文版）

基　　金：supported by Projects no.181-18110961093 of the Croatian Ministry of Science;Education and Sports and by the project NKFIH 124807 of the National Research,Development and Innovation Office of Hungary;The measurements performed at ASTER(CEREGE,Aix-en-Provence,France)were supported by the INSU/CNRS,the French Ministry of Research and Higher Education,IRD and CEA;AMS measurements performed at VERA were supported by the RADIATE project 19001688-ST under the Grant Agreement 824096 from the EU Research and Innovation programme HORIZON 2020.

摘　　要：Vranic site is a sand quarry that is located on the southern foothills of Papuk Mountain.From bottom to top of the succession,three sedimentary units have been recognized as:Unit 1 containing massive sand with scattered gravel-sized clasts,marl cobbles and boulders,and abundant marine mammal and fish fossils;Unit 2 consisting of sand intercalated with silt,clay and gravel,which may be horizontally bedded;and Unit 3,which is an erosionally-based lenticular matrix to clast-supported structureless gravel.The basal part of Unit 1 shows numerous reworked skeletal remains of Miocene marine mammals.Cosmogenic radionuclides constrain the age of burial of Unit 1 to 895±211 ka,while the source area of Unit 1 had a quick denudation.The massive sands deposited on the slopes of Papuk Mountain were vulnerable to erosion due to the absence of clay.Heavy rainfall or water from snow melting created flash floods that infiltrated the sands,thereby causing slope destabilization and deformation.This process led to slumps that were transformed into a sandy debris flow.This sediment was probably deposited during the interglacial marine isotope age(MIS)21 period when the scarce vegetation and a warmer climate favored the melting of permafrost ice and consequently triggered slope movements during MIS 22.The reworked skeletal material sampled at the Vranic site comprises fossilized fish along with mammal bones and teeth.Thus,the Vranic site represents an important site for cetacean fossil remains and serves as an important data source for marine life in the Central Paratethys.

关 键 词：Miocene marine mammals Alluvial slope deposit PLEISTOCENE Cosmogenic nuclides Pannonian Basin System 

分 类 号：Q915[天文地球—古生物学与地层学] P534.631[生物学—古生物学]