Types of Soil Structure

Question 1

Units are similar to prisms and are bounded by flat or slightly round vertical faces.

Answer 1

Columnar

Question 2

• Units are flat and plate-like
• generally oriented horizontally and are usually overlapping

Answer 2

Platy

Question 3

• Individual units are bounded by flat or slightly round vertical faces
• distinctly longer vertically
• the tops are indistinct

Answer 3

Prismatic

Question 4

• Units resemble a block-like or polyhedral
• they are bounded by flat or slightly rounded surfaces that are casts of the faces of surrounding peds.

Answer 4

Blocky

Question 5

units are approximately spherical or polyhedral and are bounded by curves or very irregular faces that are not casts of adjoining peds.

Answer 5

Granular

Question 6

Most usually described in terms of grade, class, and type of aggregates.

Answer 6

Soil Structure