Sand from sand dunes on the
southern shores of the Great Salt Lake. Scale is 20mm long.
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Sand from sand dunes on the
southern shores of the Great Salt Lake. Scale is 20mm long.
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Most of the grains are composed of calcium carbonate, in two size fractions (see image 4 for further details).
Look closely at the large image. Can you identify and describe another type of sedimentary grain in the sample?
Page © ; last updated 30 July, 2002