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Photographic gallery.  Thousands of particles under the microscope.
Sand, Torry Pines, Through the Microscope

Sand from Torry Pines

This is a sample of sand from the upper part of the park in an area directly exposed to the wind. The lighter minerals have all been removed. Iron oxide particles, magnetite primarily, are highly concentrated in this sample.

Reflected Darkfield Illumination


Significance in the Environment:

Characteristic Features:

Associated Particles:


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.
(Good Information on the microscopy of sand, Great site for more information on microscopy in general)
(Good Information on Sand with links to more information on sand),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.)