Category:Llewelyn Volcanic Group
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This category has the following 5 subcategories, out of 5 total.
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Media in category "Llewelyn Volcanic Group"
This category contains only the following file.
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FfynnonLloer.jpg 800 × 534; 108 KB
Categories:
- Geologic groups of Wales
- Ordovician geology of Wales
- Ordovician formations in Wales
- Ordovician volcanism of Wales
- Ordovician ash flow tuffs in the United Kingdom
- Ignimbrites in the United Kingdom
- Ordovician rhyolites in the United Kingdom
- Ordovician siltstone in Wales
- Ordovician mudstone in Wales
- Ordovician sandstone in Wales
- Geologic formations of volcanic origin in the United Kingdom