BGS mineralogy and petrology collection record
Sample number | MR22609 |
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Sample Donor | Not entered |
Rock name | Porphyry. 'Original entry: Porphyry Dyke' |
Stratigraphy | Not entered |
Comments | Porphyry dyke, ,Collected by D C Knill:18 |
Locality details | Downings, Rosguill, Co. Donegal,surface exposure,Republic of Ireland |
50k map sheet | Not entered |
Map reference | 55:12,7:49 |
Year collected | 1960 |
Bore name | Not applicable |
Confidentiality | No restrictions |