| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Frasnian | Famennian | Canada(NWT,Mackenzie) | Hills,L.V. et al. Megaspores, Imperial Formation (Upper Devonian) Mountain River, District of MacKenzie | 1984 |
| details | Famennian | Canada(Arctic) | Miall,A.D. Proterozoic and Paleozoic geology of Banks Island, Arctic Canada. | 1976 |