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Flashcards in Processes Deck (17)
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Eluviation

Movement of material out of a horizon

1

Illuviation

movement of material in to a horizon

2

Decalcification

removal of CaCO3 from a horizon

3

Desalinization

Removal of soluble salts (other than Na) in a horizon

4

Salinization

Accumulation of soluble salts (other than Na) in horizon

5

Solonization

Accumulation of sodium (Na) in a horizon

6

Solodization

Leaching of sodium (Na) from horizon

7

Leaching

Removal of soluble material from a horizon

8

Lessivage

Physical transfer of clay within the solum

9

Pedoturbation

Physical churning and mixing of soil material

10

Podzolization

Chemical migration of iron aluminum and OM within solum from A to B

11

Gleization

Reduction of Fe 3+ to Fe 2+ under anaerobic conditions and transfer of Fe 2+

12

Desilication

Chemical migration of silica out of solum, leaving other mineral behind.
Can lead to formation of chert

13

Melanization

Darkening of A horizon material by addition and mixing of SOM.

14

Decomposition

Breakdown and loss of minerals and SOM

15

Mineralization

Release of inorganic material through decomposition of organic matter

16

Paludization

Accumulation of organic minerals under anaerobic conditions