<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A sedimentary succession in a gravel pit at Niedźwiedziny was investigated in order to determine its origin: kame or moraine. The gravel pit is located in an isolated hill of approx. 600 m long and 250–400 m wide.</p><p>The succession is built of glaciofuvial deposits: a sandy/gravelly unit in the lower and middle parts, overlain by diam-icton. Five lithofacies have been distinguished, which represent two facies associations: (1) a fuvial association evolving from a high-energy to a transitional to a shallow braided river on an alluvial fan, and (2) an association of cohesive deposits representing a glacigenic mass fow. The interpretation is based mainly on palaeocurrent data and differs from conclusions by earlier investigators. The ice-marginal zone is characterised by a large variety of glaciomarginal forms. Their sedimentology, morphology and palaeogeography are determined by successive phases of deglaciation. The results of the present study show that the character of the deglaciation in the study area changed with time from frontal to areal deglaciation.</p></abstract>

A sedimentary succession in a gravel pit at Niedźwiedziny was investigated in order to determine its origin: kame or moraine. The gravel pit is located in an isolated hill of approx. 600 m long and 250–400 m wide.The succession is built of glaciofuvial deposits: a sandy/gravelly unit in the lower and middle parts, overlain by diam-icton. Five lithofacies have been distinguished, which represent two facies associations: (1) a fuvial association evolving from a high-energy to a transitional to a shallow braided river on an alluvial fan, and (2) an association of cohesive deposits representing a glacigenic mass fow. The interpretation is based mainly on palaeocurrent data and differs from conclusions by earlier investigators. The ice-marginal zone is characterised by a large variety of glaciomarginal forms. Their sedimentology, morphology and palaeogeography are determined by successive phases of deglaciation. The results of the present study show that the character of the deglaciation in the study area changed with time from frontal to areal deglaciation.

Kame or Moraine? A Sedimentological Study of a Glaciomarginal Landform at Niedźwiedziny (Great Polish Lowland)

Institute of Geoecology and Geoinformation, Adam Mickiewicz University, Dzięgielowa 27, 61-680 Poznań, Poland

Geologos

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A sedimentary succession in a gravel pit at Niedźwiedziny was investigated in order to determine its origin: kame or moraine. The gravel pit is located in an...

Kame or Moraine? A Sedimentological Study of a Glaciomarginal Landform at Niedźwiedziny (Great Polish Lowland)

Publié en ligne: 23 oct. 2014

Pages: 167 - 181

Reçu: 20 avr. 2014

Accepté: 25 août 2014

DOI: https://doi.org/10.2478/logos-2014-0013

Mots clés
sedimentology, glaciomarginal zone, kame, Weichselian, Middle Poland

© 2014 Aleksandra Ewert-Krzemieniewska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Kame or Moraine? A Sedimentological Study of a Glaciomarginal Landform at Niedźwiedziny (Great Polish Lowland)

Publié en ligne: 23 oct. 2014

Pages: 167 - 181

Reçu: 20 avr. 2014

Accepté: 25 août 2014

DOI: https://doi.org/10.2478/logos-2014-0013

Mots cléssedimentology, glaciomarginal zone, kame, Weichselian, Middle Poland

© 2014 Aleksandra Ewert-Krzemieniewska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
sedimentology, glaciomarginal zone, kame, Weichselian, Middle Poland