BGS mineralogy and petrology collection record
| Sample number | MR4850 |
|---|---|
| Sample Donor | Darwin ,C. |
| Rock name | Obsidian. 'Original entry: Obsidian' |
| Stratigraphy | Not entered |
| Comments | obsidian, ,Collected by Charles Darwin: |
| Locality details | Ascension Island,surface exposure,Charles Darwin Collection,Ascension Island |
| 50k map sheet | Not entered |
| Map reference | 7:56,14:22 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |