Question:

What is a volcanic neck and what does it do?

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Hey um my question is about volcanoes. What is a volcanic neck, and what does it do for the volcanoe? Please, I would prefer simple answers. Thankyou!

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  1. A volcanic neck is a cylindrical-shaped landform standing above the surface created by magma solidifying in the vent of a volcano. Erosion of the sides of the volcano exposes the neck.  

    Devil's Tower, WY is an example of a volcanic neck.

    A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when lava hardens within a vent on an active volcano. When forming, a plug can cause an extreme build-up of pressure if volatile-charged magma is trapped beneath it, and this can sometimes lead to an explosive eruption. If a plug is preserved, erosion may remove the surrounding rock while the erosion-resistant plug remains, producing a distinctive landform.

    Examples of landforms created in this way in the United States include Morro Rock, California; Lizard Head, Colorado; and Shiprock, New Mexico. Devils Tower in Wyoming, as well as Little Devils Postpile located in Yosemite National Park, are also thought to be a volcanic plug by many geologists. The only example of a volcanic plug in the eastern USA is the highly eroded Stark's k**b basaltic structure located along the Hudson River near Saratoga Springs, New York

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