BGS mineralogy and petrology collection record
| Sample number | S13516; S13516/A; S13516/B; |
|---|---|
| Sample Donor | Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above) |
| Rock name | 'Original entry: Feldspathic Grit' |
| Stratigraphy | Not entered |
| Comments | Millbuie Grit Series; microcline, perthitic orthoclase and oligoclase-andesine in a scanty matrix of white mica flakes; 2 slides, a & b |
| Locality details | Somewhere N of Ruiteachan Earna, Colonsay |
| 50k map sheet | Colonsay (35) |
| Map reference | NR 405 977 |
| 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
S13516/A
S13516/B
