Geological Superstore

Gault Clay

£1.00£2.74

Gault clay, a pale to dark grey or blue-grey mudstone from the Cretaceous

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Gault Clay is a deep water marine mudstone belonging to the Albian stage of the Lower Cretaceous. It contains locally abundant fossils such as ammonites, bivalves, belemnites & brachiopods. It is pale to dark grey or blue-grey in colour. In places it is glauconitic i.e. it contains iron potassium phyllosilicate, a type of mica. It has been widely extracted for the manufacture of bricks. This example was collected from Beare Green near Dorking, Surrey. Specimens are supplied in labelled card trays.

Additional information

Weight 400 g
Specimen Size

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