Ellesmere Island Volcanics

Late Cretaceous volcanic group in Ellesmere Island, Nunavut, Canada

The Ellesmere Island Volcanics are a Late Cretaceous volcanic group of volcanoes and lava flows in the Qikiqtaaluk Region of northern Ellesmere Island, Nunavut, Canada.

Ellesmere Island Volcanics are part of the Arctic Cordillera. This volcanic province is among the northernmost volcanism on Earth.

Even though these volcanics are about 90 million years old, the volcanoes and cinder are still discernible.^[1] The volcanics of the Maskell Inlet Assemblage are mostly made up of tuffs, with smaller flows. Compositionally these are mostly andesite or undifferentiated andesite/basalt.

The volcanics on Ellesmere Island has been uncertainly associated to both the early volcanic activity of the Iceland hotspot and the Alpha Ridge. The Ellesmere Island Volcanics are part of the High Arctic Large Igneous Province.^[2]

References

↑ Chris's journal entries Archived 2006-09-15 at the Wayback Machine Retrieved on 2007-08-05
↑ Deegan, F. M.; Troll, V. R.; Bédard, J. H.; Evenchick, C. A.; Dewing, K.; Grasby, S.; Geiger, H.; Freda, C.; Misiti, V.; Mollo, S. (2016). "The stiff upper LIP: investigating the High Arctic Large Igneous Province". Geology Today. 32 (3): 92–98. doi:10.1111/gto.12138. ISSN 1365-2451. S2CID 130366151.

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81°57′07″N 86°50′19″W / 81.9519°N 86.8385°W / 81.9519; -86.8385

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Ellesmere Island Volcanics

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References

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