Sites of deposition of placer minerals

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  • Sites of deposition of placer minerals
    • Meander bends
      • Current velocity is fastest on outside and slowest on inside
      • Erosion on outside, Deposition on inside to form a point bar
    • Plunge pools
    • Upstream of projections
      • Hard rock like a dyke juts upward
    • Downstream of confluences
      • Fast flowing tributary joining slower flowing river
      • Mid-channel sandbar can form
    • On beaches

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