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Local Name(s): | Purbeck Grub. | ||||||
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Stone Group: | Sedimentary | ||||||
Stone Type: | Limestone | ||||||
Geology: |
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Geological Sub-Divisons: | Middle Purbeck division of Upper Jurassic. |
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General Colour Description: | This stone varies in colour but on the whole it is a bluish grey colour with numerous pieces of grey and occasionally buff coloured shell. |
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Hand Specimen Description: | A very hard, coarse grained, poorly sorted, bioclastic limestone. |
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Stone Identifiers: | Calcareous,  Fossiliferous. | ||||||
Reacts dilute to HCl? | Yes |