Salt pseudomorphs

These cube-like structures mark places where salt crystals formed on a semi-arid mudflat, as salt water evaporated. The salt crystals later dissolved, but limy mud filled their spaces.

Find out more on the rocks and pseudofossils page.

Common name

Salt pseudomorphs

Type

Rocks and Pseudofossils


Strata

Purbeck Limestone Group

Time period

Lower Cretaceous

Age

140 million years

Where found

Fossil Forest, Lulworth Cove

Found by

Paul C Ensom in 1986

Museum

Dorset County Museum, Dorchester

Accession number

DCM.G.11662