Sand, American River near Auburn, CA, USA

Macro Photograph (Click here for images at higher magnification and polarized light.)

Definition/Function:

This is a sample of sand from the American River near Auburn, California, north east of Sacramento.

Significance in the Environment:

This is an example of a dense sand where wave and current action has removed most of the smaller and lighter minerals from the beach.

Characteristic Features:

Associated Particles:

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