• Glaciers can carry rocks of any size, from giant boulders to silt.
  • The material dropped by a glacier is usually a mixture of particles and rocks of all sizes.
  • This unsorted pile is called glacial till.
  • Water from the melting ice may form lakes or other water features.
  • Varves form where lakes are covered by ice in the winter.
  • Melting ice brings running water that deposits lighter colored sands.
  • The presence of glacial Till means there was a glacier in the area.
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