Anukruti posted an Question
November 13, 2020 • 22:48 pm 30 points
  • IIT JAM
  • Geology (GG)

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    Sajan sarthak best-answer

    Obstacle scour ,imbricated pebbles are paleo current indicator,.... Symmetric ripples shows top and bottom of beds.

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    Rahul kumar Best Answer

    Answer (a) Obstacle scour and, (d) Imbrication of pebbles Imbrication of pebbles can be used for paleocurrent analysis. In order to minimize the current energy, the pebbles orient towards the downstream side. Obstacles scour can also be used for paleocurrent analysis. Symmetrical ripples and skip mark can not be used for paleocurrent analysis because of their symmetrical form.

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