| Sample number |
E1642 |
| Sample Donor |
Geikie,A.; Teall, J.J.H.; |
| Rock name |
'Original entry: Decomposed Gneiss' |
| Stratigraphy |
Not entered |
| Comments |
Ordovician. Aranig. See Mem.Geol.of Anglesey pp.328-9 Similar with pseudomorphs after ? Idocrase. Ordovician grit |
| Locality details |
S.of Porth Helygan |
| 50k map sheet |
Holyhead (93)
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View the geology near 'Holyhead'
|
| Map reference |
SH 491 907 |
| Year collected |
Not entered |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
