Stone in Archaeology Database


Forest Marble

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

Great Oolite Series. Forest Marble.

General Colour Description:

Brown/grey limestone that weathers to a buff colour.

Hand Specimen Description:

On the whole limestones from the Forest Marble vary from cross-bedded, sparsely oolitic and oyster-rich to massively bedded, very shelly, blue-hearted sparites (Prudden 2001: 53). Forest Marble from Henstridge is a hard, very fossiliferous limestone (slightly oolitic) with broken oyster shells set in a calcitic crystalline matrix.

General Comments:

Forest Marble is not a true marble, but a fossiliferous limestone which takes a good polish.

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