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Elsevier, Quaternary International, (386), p. 122-136, 2015

DOI: 10.1016/j.quaint.2014.10.022

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Palaeoecological investigations and 230Th/U dating of Eemian interglacial peat sequence of Banzin (Mecklenburg-Western Pomerania, NE-Germany)

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This paper is available in a repository.

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Abstract

A novel occurrence of an Eemian interglacial peat was identified in 2011 in a short-lived outcrop of the NEL-pipeline trench, near the village of Banzin, Germany. The profiles are situated in a shallow kettle hole within the undulated landscape of the Saalian glaciation. The distribution of dominantly till lithofacies in the Banzin area confirms the regional trend of Saalian tills with a locally higher abundance of Cretaceous clasts. In the Banzin kettle, at a depth of 2.2 m, lies a 0.5-m thick, strongly compressed Eemian peat layer. The buried Eemian peat layer is deformed by ice-wedge pseudo-morphological and mega crack structures, indicating a strong periglacial influence during Weichselian stadial phases. The post-Eemian sequence is subdivided into three units, beginning with a mixture of aeolian and gelifluction deposits, which are also modified by cryostructures. The top of the Banzin sequence is covered by a 0.5-m thick colluvisol layer of redeposited humic loam from the Late Weichselian/Holocene. The uppermost unit suggests that solifluction processes occurred in the last few hundred years, likely driven by intensive anthropogenic influence.