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Ideal cross-section of the laccoliths of Mt. Holmes, after restoration.

Mt. Holmes

Ideal cross-section of the laccoliths of Mt. Holmes, after restoration.

Section of the Mt. Holmes bysmalith. A bysmalith (also called a volcanic plug, volcanic neck, or lava neck) is a volcanic object created when magma hardens within a vent on an active volcano.

Mt. Holmes Bysmalith

Section of the Mt. Holmes bysmalith. A bysmalith (also called a volcanic plug, volcanic neck, or lava…