Similar Folds, Recumbent Folds, and Gravity Tectonics in Ice and Rocks

  title={Similar Folds, Recumbent Folds, and Gravity Tectonics in Ice and Rocks},
  author={Peter J. Hudleston},
  journal={The Journal of Geology},
  pages={113 - 122}
  • P. Hudleston
  • Published 1 January 1977
  • Geology
  • The Journal of Geology
Under steady state flow in glaciers, a banding will form and tend towards parallelism with the flow lines in basal regions of high shear. A simple mathematical model shows that departures from the steady state cause a reorientation of the flow lines such that they depart from parallelism with the banding. If a suitable bedrock ridge is present, the banding will subsequently become deformed into subsimilar folds, whose axial surfaces are very nearly parallel to the direction of maximum extension… 
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