| Sample number |
MR29940; COLLNOSN899; |
| Sample Donor |
Hart,F.; Sanderson,R.W.; |
| Rock name |
'Original entry: Porphyry' |
| Stratigraphy |
Arenig. Arenig, Ordovician. Skomer Volcanic Series |
| Comments |
Dark green porphyry. NGR as in register. |
| Locality details |
Quarry name: not recorded: at Disused quarry immediately W of Crabhall farm, I mile N of Dale |
| 50k map sheet |
Milford (227)
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|
| Map reference |
SM 808 071 |
| Year collected |
1968 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
