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Pockmark (Geoform)

Component: Geoform

Unique Identifier: 141

Geoform Origin Geologic
Geoform Pockmark


Description
Definition Small craters in the seabed caused by fluids (gas and liquids) erupting and streaming through the sediments. Some pockmarks discovered off Nova Scotia have been up to 150 meters in diameter and 10 meters deep.