GEOLOGY

Detailed explanation-1: -A volcanic plug, also called a volcanic neck or lava neck, is a volcanic object created when magma hardens within a vent on an active volcano.

Detailed explanation-2: -A volcanic neck forms when magma hardens in a volcano’s pipe. Softer rock around the pipe wears away, which exposes hard rock. Dikes form when magma forces itself across rock layers and hardens.

Detailed explanation-3: -Introduction. Volcanic necks and plugs are the solidified remains of volcanoes’ conduit and plumbing systems that remain after the rest of a volcano has been eroded away.

Detailed explanation-4: -How is a volcanic neck different from a volcanic pipe? A) Volcanic necks are longer and bring materials up from the mantle.

Detailed explanation-5: -igneous intrusion A volcanic neck is the “throat” of a volcano and consists of a pipelike conduit filled with hypabyssal rocks. Ship Rock in New Mexico and Devil’s Tower in Wyoming are remnants of volcanic necks, which were exposed after…