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Flashcards in Processes Deck (17)
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0
Q

Illuviation

A

movement of material in to a horizon

1
Q

Eluviation

A

Movement of material out of a horizon

2
Q

Decalcification

A

removal of CaCO3 from a horizon

3
Q

Desalinization

A

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

4
Q

Salinization

A

Accumulation of soluble salts (other than Na) in horizon

5
Q

Solonization

A

Accumulation of sodium (Na) in a horizon

6
Q

Solodization

A

Leaching of sodium (Na) from horizon

7
Q

Leaching

A

Removal of soluble material from a horizon

8
Q

Lessivage

A

Physical transfer of clay within the solum

9
Q

Pedoturbation

A

Physical churning and mixing of soil material

10
Q

Podzolization

A

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

11
Q

Gleization

A

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

12
Q

Desilication

A

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

13
Q

Melanization

A

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

14
Q

Decomposition

A

Breakdown and loss of minerals and SOM

15
Q

Mineralization

A

Release of inorganic material through decomposition of organic matter

16
Q

Paludization

A

Accumulation of organic minerals under anaerobic conditions