BGS mineralogy and petrology collection record
Sample number | MR6879 |
---|---|
Sample Donor | Not entered |
Rock name | Porphyry. 'Original entry: Porphyroid' |
Stratigraphy | Not entered |
Comments | porphyroid, ,Collected by B St�rtz, Bonn:89 |
Locality details | ?Johiefenig, Dame de Meuse, near Mairus, Franzos, Ardennes,surface exposure,?Belgium |
50k map sheet | Not entered |
Map reference | Not entered |
Year collected | Not entered |
Bore name | Not applicable |
Confidentiality | No restrictions |