What question did this study set out to answer?

This research aims to identify the main controls on magmatic productivity during the continental breakup of the Northeast Atlantic.

Evolution of the Source Mineralogy and Lithospheric Controls on Magmatism During the Northeast Atlantic Continental Breakup

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Findings indicate lithospheric thinning drives magmatism during continental breakup in mid-Norwegian Margin, suggesting new geological insights.

This research aims to identify the main controls on magmatic productivity during the continental breakup of the Northeast Atlantic.
Developed an inverse Monte Carlo statistical melting model to analyze basalt chemistry.
Evaluated basalts from the Vøring Margin to examine shifts in source mineralogy.
Investigated the effects of the proto-Iceland mantle plume and lithospheric thinning on magmatism.
Revealed a shift in source mineralogy during rifting with clinopyroxene enrichment during peak magmatism.
Established that lithospheric thinning is the primary driver of magmatism during breakup.
Demonstrated mantle potential temperatures were likely below 1500°C throughout the process.

Cunningham et al. (2026) studied this question.

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Findings indicate lithospheric thinning drives magmatism during continental breakup in mid-Norwegian Margin, suggesting new geological insights.