Syntype: | A 28830 |
Locality: | Aber Hirnant, Bala (E.), Wales |
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Rock Unit: | Hirnant Limestone |
Geological Age: | Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) |
Resources: |
Lectotype: | A 28831 |
Locality: | Aber Hirnant, Bala, Wales |
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Rock Unit: | Hirnant Limestone |
Geological Age: | Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) |
Resources: |
Paratype: | A 28849 |
Locality: | Mathyrafal, Meifod (S.), Montgomeryshire, Wales |
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Rock Unit: | Schists |
Geological Age: | Llandovery Epoch (Silurian Period) – Caradoc Series (Ordovician Period) (433.4 – 458.4 Ma B.P.) |
Resources: |
Paratype: | A 28850 |
Locality: | Mathyrafal, Meifod (S.), Montgomeryshire, Wales |
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Rock Unit: | Schists |
Geological Age: | Llandovery Epoch (Silurian Period) – Caradoc Series (Ordovician Period) (433.4 – 458.4 Ma B.P.) |
Resources: |
Lectotype: | A 28851 |
Locality: | Mathyrafal, Meifod (S.), Montgomeryshire, Wales |
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Rock Unit: | Schists |
Geological Age: | Llandovery Epoch (Silurian Period) – Caradoc Series (Ordovician Period) (433.4 – 458.4 Ma B.P.) |
Resources: |
Paratype: | A 28852 |
Locality: | Mathyrafal, Meifod (S.), Montgomeryshire, Wales |
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Rock Unit: | Limestone |
Geological Age: | Llandovery Epoch (Silurian Period) – Caradoc Series (Ordovician Period) (433.4 – 458.4 Ma B.P.) |
Resources: |
Paratype: | A 28912 |
Locality: | St. Martin's Cemetery, Cuckoo Grove Lane, Haverfordwest, Pembrokeshire, Wales |
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Rock Unit: | St. Martin's Bed |
Geological Age: | Hirnantian Age (Ordovician Period) (443.8 – 445.2 Ma B.P.) |
Resources: | {None available} |
Paratype: | A 29157 |
Locality: | Sholeshook, Haverfordwest, Pembrokeshire, Wales |
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Rock Unit: | Sholeshook Limestone |
Geological Age: | Rawtheyan Stage (Ordovician Period) – Cautleyan Stage (Ordovician Period) (445.2 – 448 Ma B.P.) |
Resources: |
Paratype: | A 29185 - A 29188 |
Locality: | Derfel gorge, Arenig Station, Wales |
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Rock Unit: | Derfel Limestone (base) |
Geological Age: | Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) |
Resources: |
Syntype: | A 29718 |
Locality: | Alston Road, Melmerby, Cumberland, England |
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Rock Unit: | Dufton Shale (horizon 5) |
Geological Age: | Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) |
Resources: |