BGS mineralogy and petrology collection record
| Sample number | S14684 |
|---|---|
| Sample Donor | Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above) |
| Rock name | 'Original entry: Porphyritic Olivine-Basalt' |
| Stratigraphy | Not entered |
| Comments | Lava (Basalt Group), baked with development of biotite and hypersthene; Memoir, p. 131. Porphyritic Central Type |
| Locality details | 0.625 mile NW of trig pt 1493 ft Beinn Duatharach |
| 50k map sheet | Mull (44) |
| Map reference | NM 5953 3686 |
| 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
S14684
