sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.
Skull Rock Trail, Joshua Tree NP, California

Sand, Skull Rock Trail, Joshua Tree NP, California

Each step on this part of the trail exposed black sand. This occurred only over a section of about twenty feet of the trail.

Definition/Function:

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

Greenberg, Gary, A GRAIN OF SAND: NATURE'S SECRET WONDER, Voyageur Press, 2008.

Welland, Michael, SAND: THE NEVER ENDING STORY, University of California Press, 2009.

http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopy-uk.org.uk/mag/artjun01/clsand.html
(Good Information on the microscopy of sand, Great site for more information on microscopy in general)

http://www.scientificamerican.com/article.cfm?id=a-grain-of-sand-natures-secret-wonder
(Good Information on Sand with links to more information on sand)

http://www.sciencelive.org/component/option,com_mediadb/task,play/idstr,Open-feeds_fsc_exploring_sedimentary_processes_fsc02_02_m4v/vv,-2/Itemid,97
(Brief, very informative video on what can be learned from the shape of a sand grain.)