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Thesaurus: volcanic neck

A column of igneous rock formed by congelation of lava in the conduit of a volcano and later exposed by the removal of surrounding rocks.

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  1. A column of igneous rock formed by congelation of lava in the conduit of a volcano and later exposed by the removal of surrounding rocks.
  2. A column of igneous rock formed by congelation of lava in theconduit of a volcano and later exposed by the removal of surroundingrocks.