Technosol

A technosol (TC) can be defined through :

• 20 percent or more (by volume, by weighted average) artefacts in the upper 100 cm from the soil surface or to continuous rock or a cemented or indurated layer, whichever is shallower

or :

• a continuous, very slowly permeable to impermeable, constructed geomembrane of any thickness starting within 100 cm of the soil surface

or :

• technic hard rock starting within 5 cm of the soil surface and covering 95 percent or more of the horizontal extent of the soil

Possible qualifiers

For each RSG, there are some possible prefix and suffix qualifiers :

Prefix qualifiers		Suffix qualifiers
Ekranic Linic Urbic Spolic Garbic Folic Histic Cryic Leptic Fluvic Gleyic Vitric Stagnic Mollic Alic Acric Luvic Lixic Umbric		Calcaric Toxic Reductic Humic Oxyaquic Densic Skeletic Arenic Siltic Clayic Drainic Novic

Source

• The FAO website