Stone in Archaeology Database


Alwalton Marble

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Local Name(s): Alwalton Marble. Example of Alwalton Marble
Stone Group: Sedimentary
Stone Type: Limestone
Geology:
Era:   Mesozoic
Period:   Jurassic
Epoch:   Middle
Geological Sub-Divisons:

Great Oolite Group, Cornbrash.

General Colour Description:

Blue-grey coloured stone.

Hand Specimen Description:

A very hard, tough, grey limestone comprising abundant fossilized oyster shells.

General Comments:

The stone polishes to an attractive, distinctive surface and as a result is mistaken for Purbeck Marble.

Stone Identifiers: Fossiliferous.
Reacts dilute to HCl? Yes