BGS mineralogy and petrology collection record
| Sample number | MR26293 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Porphyry. 'Original entry: Feldspar' |
| Stratigraphy | Not entered |
| Comments | Feldspar , ,Commodity:gold,Collected by J B Harrison:L19 |
| Locality details | 94ft depth in borehole, Omai Goldfield, Essequibo River, British Guiana,borehole,SG = 2.78,Guyana |
| 50k map sheet | Not entered |
| Map reference | 2:55,58:50 |
| Year collected | 1963 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |