Sand Dune, Vantage, Washington State
Transmitted Circular Polarized Light Illumination
Sand is a large accumulation of small rock and/or mineral particles in the size range of from 20 micrometers to 2,000
micrometers in diameter. Sand may include small shells or shell fragments and oolitic deposits. Sand is a size and
density segregated material that is the result of air or water action.
Significance in the Environment: