| Sample number |
E1633 |
| Sample Donor |
Geikie,A.; Teall, J.J.H.; |
| Rock name |
'Original entry: Horn-Bio-Gneiss' |
| Stratigraphy |
Not entered |
| Comments |
Mona Complex. The Gneisses. See Mem.Geol.of Anglesey pp.325-6 Biolite, albite, oligoclase |
| Locality details |
Roadside 500ft. W.of Bryn. Gwallen Farm lane gate. Qy., NE.of Tafarn-y-botel, Llanerchymedd. |
| 50k map sheet |
Holyhead (93)
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View the geology near 'Holyhead'
|
| Map reference |
SH 407 842 |
| Year collected |
Not entered |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
