Inceptisols
Encyclopedia
Inceptisols are a soil order in USDA soil taxonomy
USDA soil taxonomy
USDA Soil Taxonomy developed by United States Department of Agriculture and the National Cooperative Soil Survey provides an elaborate classification of soil types according to several parameters and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.- Example of...

. They form quickly through alteration of parent material. They are older than entisols. They have no accumulation of clays, Iron
Iron
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. It is the most common element forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust...

, Aluminum or organic matter. They have an Ochric or Umbric horizon
Umbric horizon
The umbric horizon is a thick, dark coloured, surface Soil horizon rich in organic matter. It is identified by its dark colour and structure.Normally it has a pH of less than 5.5 representing a base saturation of less than 50 percent...

and a cambic subsurface horizon.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK