Title Uranium-Thorium isochron dating results of penultimate (Late Mid-Pleistocene interglacial in Lithuania from Mardasavas site /
Translation of Title Результаты датирования изохронным методом урана-тория предпоследнего (позднего среднеплейстоценного) межледниковья по разрезу Мардасавас в Литве.
Translation of Title Priešpaskutinio (vėlyvojo vidurinio pleistoceno) tarpledynmečio urano-torio izochroninio datavimo rezultatai Mardasavo pjūvio nuoguluose Lietuvoje.
Authors Gaigalas, Algirdas-Juozapas ; Arslanov, Khikmatulla A ; Maksimov, Fedor E ; Kuznetsov, Vladislav Yu ; Chernov, Sergey B
Full Text Download
Is Part of Geologija. 2007, nr. 57, p. 21-29.. ISSN 1392-110X
Keywords [eng] Uranium thorium dates ; Gyttja ; Snaigupele Interglacial ; Mardasavas ; Lithuania
Abstract [eng] The Snaigupėlėe Interglacial gyttja was dated first by the uranium- thorium isochron method in the Mardasavas parastratotype section,. Southeastern Lithuania. The isochron-corrected 230Th / U ages are 202.4 + 38.6/-22.9 ka (TSD method) and 220.6 + 35.3 / 20.5 ka (L/L method). Theses dates correspond to the second part of the Interglacial. The range of the obtained ages is close to the age limit of the MOIS 7 stage of deep sea sediments (186-242 ka). The 230Th / U dates obtained on gyttja from the Mardasavas section are in fact the corresponding deposits of the penultimate (Snaigupėlė) Interglacial within MOIS 7 present in Lithuania. One more Interglacial warming (Snaigupėlė = Drenthe-Wartha - Cherepet) is recognized between the Butėnai = Holsteinian = Likhvinian Interglacial of the Middle Pleistocene and the Merkine = Eemian = Mikulino = Kazantsovian Interglacial of the Late Pleistocene. The warm climate event of MOIS 7 is of broad transcontinental or even hemispheral significance rather than a local phenomenon in the Last European Plain.
Type Journal article
Language English
Publication date 2007