Bulletin of geosciences | |
Fossil angiosperm wood and its host deposits from the periphery of a dominantly effusive ancient volcano (Doupovské hory Volcanic Complex, Oligocene-Lower Miocene, Czech Republic): systematics, volcanology, geochronology and taphonomy | |
Rapprich V1  Sakala J1  Pécskay Z1  | |
关键词: fossil angiosperm wood; systematic palaeobotany; volcanology; taphonomy; geochronology; Tertiary; Czech Republic; | |
DOI : | |
来源: Czech Geological Survey | |
【 摘 要 】
AvarietyoffossilwoodsoccuronthenorthernmarginoftheDoupovskéhoryVolcanicComplexinthenorthwesternpartoftheCzechRepublic.Thewoodswereburiedbythreedifferentprocessesreflectingthreedifferentsettings.First,alargeareabetweenthetownsofKadaňandKláštereciscoveredbyanupto100mthicksequenceoflaharanddebrisavalanchedeposits.TheseflowsandavalanchesgatheredwoodofLiriodendron,Lauraceae,Platanus,Cercidiphyllum,?CraigiaandStyracaceaefromboththevolcaniccomplexslopesandadjacentplains.Second,arichassemblageoffossilwoodswiththermophilouselementssuchasLauraceaeandpalmswaspreservedonthenorthernvolcaniccomplexperipherybyaStrombolianeruptionofamonogeniccone.Third,ashallowlakeformedtothesideofthevolcaniccomplex,wherePlatanustrunkswerefossilizedinthetravertine.ThewoodofLiriodendronhasneverbeenpreviouslyrecordedinthelocalitiesrepresentingvolcaniccomplexfoothills,butiscommoninthelocallahardeposits.ThisdistributionleadsustohypothesizethatLiriodendronforestsdominatedhighertopographiclevelsoftheDoupovskéhoryVolcanicComplex,reaching,butprobablynotexceeding1000ma.s.l.
【 授权许可】
Unknown
【 预 览 】
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