mantle plume

Noun

Meaning

mantle plume (plural mantle plumes)

(geology) An upwelling of abnormally hot molten material from the Earth's mantle which spreads sideways when it reaches the lithosphere.

Source: en.wiktionary.org

Examples

Mantle plume hypotheses may rely on identifying mafic and ultramafic intrusions and coeval basalt volcanism. Source: Internet

Close letter words and terms

mantle of a mollusc mantle of snow mantle piece mantle-tree mantled mantled ground squirrel