Rankosol

The rankosol or rankor is a not very advanced humic ground of mountain with

a horizon higher rich person in Organic matter.
a Bed rock silicated (Schist)
an acid pH.

Because of the strong slopes which involves important a erosion, there are little clay and mineral matter (erosion). There is not thus formation of complex argilo-humic

See too

calcic Organosol
Andisol

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