| Sample number |
MR26416 |
| Sample Donor |
Dangerfield,J. |
| Rock name |
'Original entry: Tuff' |
| Stratigraphy |
Cambrian. Arvonian. |
| Comments |
Green fine grained tuff or mudstone.. NGR as in register. |
| Locality details |
Quarry name: Wern Fawr quarry.: at 800 yds bearing 225 degrees from Halfway Bridge. Caernarvonshire |
| 50k map sheet |
Bangor (106)
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|
| Map reference |
SH 600 689 |
| Year collected |
1963 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |