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NALT Concept Space
U.S. Department of Agriculture

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Concept information

  1. Fields of Study
  2. soil morphology
  3. soil morphological features
  4. soil horizons
  5. hardpans
  6. duripans
  1. Fields of Study
  2. soil
  3. soil morphological features
  4. soil horizons
  5. hardpans
  6. duripans

Término preferido

duripans

Tipo

  • Topic

Definición

  • Information A duripan (L. durus, hard; meaning hardpan) is a subsurface horizon that is cemented by illuvial silica to the degree that less than 50 percent of the volume of air-dry fragments slake in water or during prolonged soaking in acid HCl). Duripans vary in the degree of cementation by silica. In addition, they commonly contain accessory cements, chiefly calcium carbonate.

    Fuente: US, Environmental Protection Agency

    Tipo: Concept definition

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URI

https://lod.nal.usda.gov/nalt/306927

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RDF/XML TURTLE JSON-LD Creado 16/8/17, última modificación 10/11/17