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Foraminifera in glacial erratics from Northern Germany

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This study is an effort to portray and interpret the foraminiferal faunas in sedimentary glacial erratics of Northern Germany. If present fossils and namely macro fossils were commonly used to clarify their origin. So far no systematic study of foraminifera in glacial erratics has been undertaken. If at all their presence was reported only as a group and for a few large species. Pleistocene glacial erratics including those of a marine sedimentary origin are widely spread in northwestern Europe. They have been sheared off from their original source by glacier-ice and were transported by ice and melt water over a few to up to 1000 kilometers. They are scientifically studied since more than 300 years in order to clarify their genesis and origin. Glacial erratics of a marine sedimentary origin often contain foraminifera. Their study is hindered though by the compactness of the found pieces and lack of visibility on the outside. Best preservation conditions for foraminiferal specimens and whole faunas are given in locally displaced slabs of material. So far two papers on foraminifera in the Eocene Heiligenhafener Kieselgestein and in Cretaceous chalk-marl smaers at the Baltic coast have been published (Hesemann and Ketelsen 2017; Hesemann 2020). Two papers on foraminifera of the Oligocene Sternberger Gestein and the Jurassic so called “Kelloway Geschiebe” are in the making. Sampling and processing of Paleocene Kerteminde Marls have been started.
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