Gurmeet singh Asked a Question
July 30, 2020 5:17 pmpts 30 pts
For example, the originally existing small hills or knobs in the river valley, are over-ridden by the glaciers ; and are rounded and smoothened by abrasion on up side, and are steepened by plucking on the down or leeward side, as shown in Fig. Such residual hillocks are called whaleback forms or roches mountonnes.
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  • Rahul pandey Best Answer
    Roches mountonnées develop their distinctive morphology due to the pattern of stress on a bedrock surface beneath a sliding glacier. On the stoss side of bedrock bumps, normal stre...
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    Rahul pandey
    Please ask in case of any query you have.
  • Sajan sarthak sahoo thankyou
    1.FORMATION OF A ROCHE MOUTONNÉE DUE TO PRESSURE DIFFERENCES. HIGH NORMAL STRESS sigma1(PRESSURE) ON THE STOSS FACE CAUSES BEDROCK ABRASION, WHEREAS LOWER NORMAL sigma3 STRESS (PRE...
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    Gurmeet singh
    sir why there is pressure difference..and how the pressure (sigma 3) is less on leeward side.