Definition of magmatism in English:

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magmatism

Pronunciation: /ˈmaɡməˌtizəm/

noun

Geology
The motion or activity of magma.
Example sentences
  • The contemporaneity in ophiolite formation and felsic arc magmatism suggests that intraoceanic subduction started soon after the opening of the ocean basin.
  • Lithologies, stratigraphy and magmatism in the southern tract compare well with those described from the Karamba Complex in the Ladakh Himalaya, further west along the suture zone.
  • These igneous rocks record the extensive magmatism that resulted from northward subduction of Neotethyan oceanic lithosphere beneath the Lhasa terrane.
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