Timing of the Late Vistulian (Weichselian) glacial phases in Poland

Timing of the Late Vistulian (Weichselian) glacial phases in Poland
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波兰维斯图利亚晚期(Weichselian)冰川阶段的时间

DOI:
10.1016/j.quascirev.2010.08.008
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发表时间:
2012
影响因子:
4
通讯作者:
L. Marks
L. Marks
中科院分区:
地球科学1区
文献类型:
--
作者:
L. Marks

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波兰北方的下维斯瓦河地区是维斯瓦河冰川作用的层型区,在末次盛冰期(LGM),斯堪的纳维亚冰盖的最南端延伸发生在波兰西部和德国东部。重新解释现有的地质年代学数据(放射性碳,36 Cl和10 Be年龄),提供了新的现场地质证据,主要是后期维斯图利冰盖的限制和运动方向,集中在三个关键地区在波兰。在中维斯都利晚期,下维斯都拉地区有一两次冰盖的推进。在波兰的晚期维斯图利亚最大冰盖极限是时间海侵的,发生在24-19 kyrs BP(一般来说,年轻的东部)。莱兹诺期的冰盖极限为24 cal/10 Be/36 Cl kyrs,波兹南期的冰盖极限为1910 Be/36 Cl kyrs,波美拉尼亚期的冰盖极限为16- 1710 Be/36 Cl kyrs。在波兰的每一次维斯图利亚晚期冰期之前都有一次冰盖退缩。
The Lower Vistula Region in northern Poland is a stratotype area for the Vistulian (Weichselian) glaciation and during Last Glacial Maximum (LGM) the southernmost extension of the Scandinavian ice sheet occurred in western Poland and in eastern Germany. Reinterpretation of the available geochronological data (radiocarbon,36Cl and10Be ages), supplied with new field geological evidence, mostly for the Late Vistulian ice sheet limits and movement directions, was focused in three key regions in Poland. During the late Middle Vistulian there was one or two ice sheet advances in the Lower Vistula region. The Late Vistulian maximum ice sheet limit in Poland was time-transgressive and occurred at 24–19 kyrs BP (generally, the younger to the east). Ice sheet limits during the Leszno Phase occurred at 24 cal/10Be/36Cl kyrs, the Poznań Phase ice sheet limit was dated to 1910Be/36Cl kyrs and the Pomeranian Phase ice sheet limit about 16–1710Be/36Cl kyrs. Every Late Vistulian glacial phase in Poland was preceded by an ice sheet retreat.