Stone in Archaeology Database


Orton Scar Limestone

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Local Name(s): Orton Scar Limestone. Example of Orton Scar Limestone
Stone Group: Sedimentary
Stone Type: Limestone
Geology:
Era:   Palaeozoic
Period:   Carboniferous
Epoch:   Lower
Geological Sub-Divisons:

Dinantian. Knipe Scar Limestone.

General Colour Description:

Various shades of light grey/fawn to brown in colour. Fossils are visible in polished examples.

Hand Specimen Description:

A coarse, hard, moderately well sorted, crystalline, bioclastic limestone comprising crinoids, some of which are very large.

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