Rum layered intrusion

The Rum layered intrusion is located in Scotland, on the island of Rùm (Inner Hebrides).

It is a mass of intrusive rock, of mafic-ultramafic composition,[1] the remains of the eroded, solidified magma chamber of an extinct volcano[2] that was active during the Palaeogene Period.

[3] It is associated with the nearby Skye intrusion and Skye, Mull and Eigg lavas.

[4] It was emplaced 60 million years ago above the Iceland hotspot.

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