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The 'Brito-Arctic province' (also known as the 'North Atlantic Tertiary Volcanic Province') is a major flood basalt province of the North Atlantic Ocean. Basaltic volcanism flowed in two main pulses. The first which occurred ~61 million years ago was of 2 x 10⁶ km³ in total volume, into the current western and southeastern Greenland and northwestern Britain. The second and larger flood basalt flow occurred ~56 x 10⁶ years ago in both eastern Greenland and the Faroe Islands.^[1]

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References

References

1. Sur l'âge des trapps basaltiques (On the ages of flood basalt events); Vincent E. Courtillota & Paul R. Renneb; Comptes Rendus Geoscience; Vol: 335 Issue: 1, January, 2003; pp: 113-140