BGS mineralogy and petrology collection record
| Sample number | S18859 |
|---|---|
| Sample Donor | Bailey, E.B.; Tait,D.; |
| Rock name | 'Original entry: Mica-Hornblende Andesite' |
| Stratigraphy | Not entered |
| Comments | S. 18850-18869 are a suite of 20 lava-like pebbles from Lower ORS conglomerate underlying the shale with Cephalaspis, Thelodus, etc. Albitised plagioclase in an albitised microlithic groundmass; Pre-Tertiary Mem. p. 25 |
| Locality details | On shore at Gallanach Lodge, 2.5 miles SW of Oban |
| 50k map sheet | Mull (44) |
| Map reference | NM 8259 2700 |
| 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
S18859
