Introduction -- Time on Earth and a brief history of Scotland -- Magma and igneous rocks -- Lava flows and pyroclastic deposits -- Paleocene fissure and shield volcanism in the Hebrides -- Hebridean ...
About sixty million years ago, the Icelandic mantle plume—a fountain of hot rock that rises from Earth’s core-mantle boundary—unleashed volcanic activity across a vast area of the North Atlantic, ...
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