Ask-a-Geologist Q&A: Sand Grains

Sandstone

Question: What is the name of sand grains cemented together?

Answer: Sandstone is the rock which consists of sand grains that are cemented together.  This photo of a sandstone nicely shows the layered formation of the sand grains.

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Filed under: Geology / Earth Science, Minerals, Rocks on September 11th, 2009

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