Stone in Archaeology Database


Brandon Grit

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Local Name(s): Brandon Grit. Example of Brandon Grit
Stone Group: Sedimentary
Stone Type: Sandstone
Geology:
Era:   Palaeozoic
Period:   Carboniferous
Epoch:   Upper
Geological Sub-Divisons:

Silesian. Namurian. Millstone Grit.

General Colour Description:

Buff to brown or occasionally grey in colour, sometimes the centre of a large block will be blue but this fades to brown in a few years (Leary 1986: 96).

Hand Specimen Description:

Quartz-feldspathic sandstone which is hard, medium to coarse grained and thickly cross bedded.

General Comments:

'York Stone' is a generic name for this rock.

Stone Identifiers: Granular.
Reacts dilute to HCl? No