Category:Ordovician formations in Wales
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Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry |
Subcategories
This category has the following 33 subcategories, out of 33 total.
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- Fishguard Volcanic Group (1 F)
- Llanbedrog Volcanic Group (2 F)
A
- Aber Mawr Formation (1 F)
B
- Bedded Pyroclastic Formation (1 F)
C
- Conwy Castle Grit (1 F)
D
- Dolhir Formation (1 F)
F
G
L
N
- Nant Ffrancon Formation (3 F)