How do geologists believe that the Devils Tower was formed?

Question

Magma pushed up from the mantle to sedimentary rocks which then eroded leaving the column.

All the land except the rocks around the Devils Tower were eroded during the Ice Age.

The Devils Tower was an ancient hotspot that plate movements isolated after the volcano became inactive.

It's the stem of a volcano that erupted millions of years ago and surrounding rock eroded away.

Answer 1

Geologists believe that Devils Tower was formed as the result of volcanic activities. The most widely accepted explanation is that it is the solidified magma (or igneous rock) that was once part of a larger volcanic system. The magma intruded into sedimentary rock layers but did not erupt to the surface. Over time, the surrounding softer sedimentary rocks were eroded away, exposing the columnar basalt formations we see today.

The correct answer would be: It's the stem of a volcano that erupted millions of years ago and surrounding rock eroded away.

This explanation aligns with the geological processes that led to the formation of the Tower as a unique geological feature.