# Blomidon Formation

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Blomidon Formation Stratigraphic range: Norian-Rhaetian Faulted continental redbeds of the Blomidon Formation, Minas Basin North Shore, Nova Scotia Type Geological formation Unit of Newark Supergroup Underlies North Mountain Basalt Overlies Wolfville Formation Thickness 365–2,500 m (1,198–8,202 ft) Lithology Primary Sandstone Other Mudstone Location Coordinates 45°17′43″N 64°19′55″W / 45.29528°N 64.33194°W / 45.29528; -64.33194 Region Nova Scotia, New Brunswick Country Canada Type section Named for Cape Blomidon Named by Klein, 1962

The **Blomidon Formation** is a unit of [Upper Triassic](/source/Upper_Triassic) ([Norian](/source/Norian)–[Rhaetian](/source/Rhaetian)) [sedimentary rocks](/source/Sedimentary_rock), which outcrops in [Nova Scotia](/source/Nova_Scotia). At outcrop they reach a maximum thickness of 365 metres (1,198 ft), but up to 1,168 metres (3,832 ft) has been proven from well data and a thickness of up to 2,500 metres (8,200 ft) has been inferred from [seismic reflection data](/source/Reflection_seismology). It overlies the mainly [Carnian](/source/Carnian) [Wolfville Formation](/source/Wolfville_Formation) and underlies the [North Mountain Basalt](/source/North_Mountain_(Nova_Scotia)#Geology).[1] The type section is exposed between [Cape Blomidon](/source/Cape_Blomidon) ([45°17′43″N 64°19′55″W / 45.29528°N 64.33194°W / 45.29528; -64.33194](https://geohack.toolforge.org/geohack.php?pagename=Blomidon_Formation&params=45_17_43_N_64_19_55_W_)) and [Paddy Island](https://en.wikipedia.org/w/index.php?title=Paddy_Island,_Nova_Scotia&action=edit&redlink=1) ([45°11′51″N 64°21′34″W / 45.197372°N 64.359411°W / 45.197372; -64.359411](https://geohack.toolforge.org/geohack.php?pagename=Blomidon_Formation&params=45.197372_N_64.359411_W_)).[2]

## References

- [Geology portal](https://en.wikipedia.org/wiki/Portal:Geology)

1. **[^](#cite_ref-Tanner_1-0)** Tanner, L.H. (1996). ["Formal definition of the Lower Jurassic McCoy Brook Formation, Fundy Rift Basin, eastern Canada"](http://journals.hil.unb.ca/index.php/ag/article/viewFile/2083/2447). *Atlantic Geology*. **32**: 127–135. Retrieved 15 December 2012.

1. **[^](#cite_ref-Luttrell_1989?_2-0)** [Luttrell, Gwendolyn](https://en.wikipedia.org/w/index.php?title=Stratigraphic_Nomenclature_of_the_Newark_Supergroup_of_Eastern_North_America&action=edit&redlink=1) (c. 1989). *Geological Survey Bulletin: 1572*. U.S. Department of the Interior, Geological Survey.

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Adapted from the Wikipedia article [Blomidon Formation](https://en.wikipedia.org/wiki/Blomidon_Formation) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Blomidon_Formation?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.