Abstract
THE Galapagos Archipelago, Iceland, and other oceanic islands, have been interpreted as surface manifestations of mantle plumes1–3. A key element of this model of island development centres on the petrological and geochemical contrasts between suites of lavas erupted from the proposed mantle plumes and at oceanic rises1–3. But the recognition of basalts of ocean rise composition on Iceland has prompted modification of models of petrological processes in mantle plumes4,5. We know of only one other reported occurrence of ocean rise-like basalts erupted on islands of proposed plume origin: flows in the Pololu Series on the Island of Hawaii6.
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BAITIS, H., SWANSON, F. Ocean rise-like basalts within the Galapagos Archipelago. Nature 259, 195–197 (1976). https://doi.org/10.1038/259195a0
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DOI: https://doi.org/10.1038/259195a0
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