- Material:
- Schist
- Category:
- Metamorphic
- Alternative name(s):
- Ballyboe Whinstone
- Colour:
- Light Green
- Colour variation:
- Mottled
- Grain/Crystal Size:
- Porphyritic
- Place of origin:
- Donegal, Ireland
- Rock Unit Name:
- Geological Age:
- Context of Use:
- Used locally around Rathmullan as a rubble building stone and for cut stone purposes during the ninteenth century.
Notes:
Psammatic Schist with pebbly grit beds (GSI).References
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