BGS mineralogy and petrology collection record
| Sample number | MR35189; COLLNOBRM3; |
|---|---|
| Sample Donor | Merriman,R.J.; Roberts, Brin (Birbeck College); |
| Rock name | 'Original entry: Slate' |
| Stratigraphy | Not entered |
| Comments | Slate. (Reworked tuff?) Caradocian NGR as in register. |
| Locality details | Old quarry 1200 m approx. 58 deg. From Tal-y-fan trig point |
| 50k map sheet | Bangor (106) |
| Map reference | SH 738 733 |
| Year collected | 1980 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |