BGS mineralogy and petrology collection record
| Sample number | E62077; COLLNOGW115; |
|---|---|
| Sample Donor | Woodhall, D.G. |
| Rock name | Metamicrogabbro. |
| Stratigraphy | Not entered |
| Comments | Field name: Dolerite, interior of large intrusion. Thin section: coarse-grained (<2 mm) crytalline rock, probable igneous protolith, now comrpises chlorite+feldspar, strong foliation and feldspars are disprupted and broken, colour index>40 |
| Locality details | 825 m 013 deg from Waen Fechan. 4.45 Km SW of Dolgellau Bridge (S End) |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 6884 1741 |
| 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
E62077
