BGS mineralogy and petrology collection record
| Sample number | MR5084 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Obsidian. 'Original entry: Obsidian' |
| Stratigraphy | Not entered |
| Comments | obsidian, ,: |
| Locality details | Mexico,surface exposure,Mexico |
| 50k map sheet | Not entered |
| Map reference | 24:0,102:0 |
| Year collected | 1881 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |