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Silica vs Duripan - What's the difference?

silica | duripan |

As nouns the difference between silica and duripan

is that silica is silica while duripan is a diagnostic soil horizon of the usda soil taxonomy that is cemented by illuvial silica into a subsurface hardpan.

silica

English

Noun

  • Silicon dioxide.
  • Any of the silica group of the silicate minerals.
  • * 1993 , Historic American Building Survey, Town of Clayburg: Refractories Company Town , National Park Service, 2:
    • Its Blair County property was sited at the foot of ganister-covered Dunnings Mountain to compete with the Mount Union plants making silica bricks for the steel industry.

    Synonyms

    * when used as an anti-caking agent

    Derived terms

    * silica gel * silica glass * silicate * silica wool * siliceous * silici- * silicic * silicide

    Related terms

    * silicon

    See also

    * quartz * sand

    Anagrams

    *

    References

    duripan

    English

    Noun

    (en noun) (wikipedia duripan)
  • A diagnostic soil horizon of the USDA soil taxonomy that is cemented by illuvial silica into a subsurface hardpan.