| Sample number |
MR25090 |
| Sample Donor |
Collins,G.H. |
| Rock name |
'Original entry: Slate' |
| Stratigraphy |
Ordovician. Ordovician.. |
| Comments |
Grey cleaved slate.. NGR as in register. |
| Locality details |
Quarry name: Henllys quarry.: at 1000 yds N25 degrees W of Henllys farm, Porth Gain. Pembrokeshire |
| 50k map sheet |
St. Davids (209)
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|
| Map reference |
SM 817 328 |
| Year collected |
1961 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |