| Sample number |
MR30087; COLLNORJM79; |
| Sample Donor |
Merriman,R.J.; Oldershaw,D.; |
| Rock name |
'Original entry: Sand' |
| Stratigraphy |
Carboniferous. Carboniferous. Basal Grit, Millstone Grit |
| Comments |
Muddy sand. NGR as in register. |
| Locality details |
Quarry name: Llwyn-Derw Silica Quarry: at Llwyn-Derw Silica Quarry, 350 yds 270 deg from Foel-Gastell |
| 50k map sheet |
Ammanford (230)
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|
| Map reference |
SN 543 148 |
| Year collected |
1968 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
