BGS mineralogy and petrology collection record
| Sample number | MR8720 |
|---|---|
| Sample Donor | Darwin ,C. |
| Rock name | Trachytic-Rock. 'Original entry: Trachytic Porphyry' |
| Stratigraphy | Not entered |
| Comments | trachytic porphyry, ,Collected by Charles Darwin & Capt. Ord, RE: |
| Locality details | Ascension Island,surface exposure,Charles Darwin Collection,Ascension Island |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1836 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |