Pavy Formation
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The Pavy Formation is a geologic formation in
Nunavut Nunavut ( , ; iu, ᓄᓇᕗᑦ , ; ) is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the ''Nunavut Act'' ...
. It preserves fossil insects of '' Carabites feildenianus'',Heer, 1878 dating back to the Thanetian stage of the Paleocene period.


Description

The Pavy Formation is interpreted to be fluvial in origin. Trough-crossbedded sandstone facies dominate this formation and were probably channel deposits of a braided river system, with interbeds of siltstone and mudrock representing floodplain deposits. Where thicker intervals of mudrock occur, backswamp ponds or shallow-lake conditions were probably present. Only at Watercourse Valley and Pavy River did conditions stabilize long enough for swamps to develop, producing thick coal beds.


See also

* List of fossiliferous stratigraphic units in Nunavut **
Margaret Formation The Margaret Formation is a geologic formation of the Eureka Sound Group in the Sverdrup Basin in Northwest Territories and Nunavut, Canada. The unit belonging to the Eureka Sound Group which crops out at Ellesmere Island preserves fossils dating ...


References


Bibliography

* {{citation , last=Heer , first=O , year=1878 , title=Die Miocene Flora des Grinnell-Landes gegründet auf die von Capitan H.E. Feilden und Dr. E. Moss in der Nähe des Kap Murchison gesammelten fossilen Pflanzen , journal=Flora Fossilis Arctica: Die Fossile Flora der Polarländer , volume=5 , pages=1–38 Paleogene Nunavut Paleocene Series of North America Thanetian Stage Siltstone formations Coal formations Coal in Canada Fluvial deposits Paleontology in Nunavut