| Sample number |
MR27177; COLLNODAN631; |
| Sample Donor |
Dangerfield,J.; Merriman,R.J.; |
| Rock name |
'Original entry: Bluish Thin Bedded Mudstones.' |
| Stratigraphy |
Not entered |
| Comments |
Not entered |
| Locality details |
Tan-y-graig quarry: at 1250 yds bearing 265 degrees from Bryn-cyrch which is 1/2 mile SW of Llangadfan Montgomeryshire |
| 50k map sheet |
Dinas Mawddwy (150)
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|
| Map reference |
SJ 993 103 |
| Year collected |
1964 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
