BGS mineralogy and petrology collection record
| Sample number | E7421; COLLNO85; NEG668M; |
|---|---|
| Sample Donor | Dixon,E.E.L. |
| Rock name | 'Original entry: Chert Replacing Crinoidal Limestone With Sporadic Dolomite' |
| Stratigraphy | Not entered |
| Comments | Figd. Plt. Fig. 3. Frontispiece. |
| Locality details | Quarry, 300 Yds. SW. of old Tramway Bridge over Cwm-ymys-con, Pontypool. |
| 50k map sheet | Newport (249) |
| Map reference | ST 283 996 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E7421
