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1 Geological Quarterly
1 Slovanský přehled: historická revue pro dějiny střední, východní a jihovýchodní Evropy (Slavonic Review: Review for Central, Eastern and Southeastern European history)

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Pomeranian Caledonides (NW Poland), fifty years of controversies: a review and a new concept

100%

Dadlez R.

tom Vol. 44, Nr 3

221-236

The results of a half-century investigations of the Pomerania-Rügen Caledonides are reviewed. Fifty years ago there were two rival hypotheses based exclusively on analyses of gravity and magnetic data. One of them assumed the presence of the so-called Circum-Fennosarmatian Caledonides, the second one claimed that the Precambrian craton of the eastern Europe extends far to the west reaching northern Germany and Pomerania. As time passed, more new facts from boreholes and seismic refraction and reflection studies accumulated. New hypotheses appeared, namely the concepts of an aulacogen and a major strike-slip fault, now merely of a historical importance. In spite of the new data the principal dilemma remains the same until present. Some investigators believe that the East European Craton (Baltica) extends far to the south-west reaching the Elbe-Odra Line, others assume the presence of the Caledonian deformations in Rügen and Pomerania which are regarded - according to modern concepts - as a manifestation of terrane tectonics. The latter group of hypotheses is supplemented by the author with the model of proximal terranes detached from the craton margin farther to the south-east and then re-accreted. The hypothesis is based on an analysis of differences in crustal structure in northern Germany and western Poland, and on the concept of a counter-clockwise rotation of Baltica during the Ordovician, proved by palaeomagnetic data.

Mobility, settlement and colonization on Rügen in the second half of the twelfth century

86%

Dragnea M.

2023

tom 108

nr 2

227-249

This study is about group migration to Rügen as a social, cultural, and political phenomenon in the second half of the 12th century. Migration refers to the mobility of people in a broader sense, that is their settlement in a new territory and the colonization of small distinct groups. Based on the information from the narrative sources, the political context in which the migration took place was analyzed. Records of migration in general, and colonization in particular, have been highlighted and discussed in connection to the Danish conquest. The categories of migrants and colonists, the length of stay, the settlement diversity and the causes of migration were identified.