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striae

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Terminological databases

Geomorfoloogia terminibaas

ID 464304 Last modified 13.09.2019
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Domain landforms of glacial erosion
  • liustiku liikumise suunas ridastikku paiknevad hoburaua kujulised lohud, mis on tekkinud jää ja aluskivimi vahele jäänud kivide veeremisel; hõõrdelohu kaare osa näitab liustiku liikumise suunda
  • small-scale (cm) arc like negative hollow on the rock surface formed by glacier erosion. It occurs when coarse gravel and boulders are carried along underneath the glacier providing abrasive power (glacial plucking). Usually a series of marks tend to be upstream concave, crescent-shaped and oriented at right angles to the direction of ice movement.

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