| Sample number |
MR31017; COLLNOSN1439; |
| Sample Donor |
Sanderson,R.W.; Tresham, A.E.( nee Gough); |
| Rock name |
'Original entry: Dolerite' |
| Stratigraphy |
Ordovician. Ordovician. |
| Comments |
Dolerite. NGR as in register. |
| Locality details |
Quarry name: not recorded: at Disused quarry 800 yds 35 deg from church, Llandrindod Wells |
| 50k map sheet |
Rhayader (179)
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|
| Map reference |
SO 0635 6163 |
| Year collected |
1971 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |