What Shapes do Icebergs Come In?

Icebergs come in a vast array of shapes due to melting and breaking. Although no two icebergs are exactly the same, there are categories of shapes that are used for observation.

 

Tabular

tabular iceberg

A flat-topped iceberg with a width five times greater than its height. Most have some horizontal banding.

 

Blocky

blocky iceberg

A flat-topped iceberg with steep sides.

 

Wedged

wedged iceberg

A flat surfaced iceberg with steep surfaces on one side and gradually sloping on the other, thus forming a wedge.

 

Dome

dome iceberg

An iceberg that is smooth with a rounded top.

 

Pinnacle

pinnacle iceberg

An iceberg with at least one main spiral or pyramid on it.

 

Dry Dock

drydock iceberg

An iceberg with a U-shaped slot at or near water level, and at least two pinnacles or columns.

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