BGS mineralogy and petrology collection record
| Sample number | S71164 |
|---|---|
| Sample Donor | Rock,N.M.S. |
| Rock name | 'Original entry: Lamprophyre, Medium-Grained' |
| Stratigraphy | Not entered |
| Comments | Lamprophyre sheet in Colonsay Group ; may belong to microdiorite or lamprophyre suites (Caledonian); sheet, concordant, 1-2 m thick, dip SSW 60 deg; medium variant |
| Locality details | S side of Port Mor, W coast of Colonsay |
| 50k map sheet | Colonsay (35) |
| Map reference | NR 3590 9460 |
| 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
S71164
