Silica (Inventory)
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Revision as of 12:43, 25 April 2011
Contents |
Quartz
Rock Flour
Siltcicle
Silt Hoodoo
The Silt Hoodoo field of the Silica section should be used to record any observations of hoodoos in silt or other granular media.
Hoodoos are formed in relatively soft rock or sediments topped by a harder, less easily eroded cap that partially protects each one. The softer material is partially eroded leaving behind a mound. The result is a tower or cone of the more easily eroded material capped by the protecting layer.
