BGS mineralogy and petrology collection record
| Sample number | S14685 |
|---|---|
| Sample Donor | Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above) |
| Rock name | 'Original entry: Altered Tuff (Banded Microgranulite)' |
| Stratigraphy | Not entered |
| Comments | Mapped as part of Rhyolite Lava Group (belonging to Breccia Group); Memoir, p. 209 |
| Locality details | 0.625 mile NW of trig pt 1493 ft Beinn Duatharach |
| 50k map sheet | Mull (44) |
| Map reference | NM 5952 3692 |
| 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
S14685
