- Material:
- Sandstone
- Category:
- Siliciclastic, Sedimentary
- Colour:
- White, Grey
- Grain/Crystal Size:
- Fine
- Place of origin:
- Leitrim, Ireland
- Rock Unit Name:
- Dergvone Shale Formation
- Geological Age:
- Carboniferous, Namurian, Pendleian
- GSI Rock Unit Code:
- DE
Notes:
Shale and minor turbiditic sandstone. The stones vary in colour and composition; the best being the white sandstone, which is fine grained, silicious, works freely and can be raised in large blocks. Other beds are grey, slighly argillaceous or micaceous.References
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