Stone in Archaeology Database


Purbeck Freestone

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

Middle Purbeck division.

General Colour Description:

The freestone is a cream/buff to blue/grey colour with numerous shells.

Hand Specimen Description:

A hard, moderately well sorted, coarse grained bioclastic limestone.

Stone Identifiers: Calcareous,  Fossiliferous,  Oolitic.
Reacts dilute to HCl? Yes