what mountain chain has formed at a divergent plate boundary?
Check this site for a surprising answer.
http://scign.jpl.nasa.gov/learn/plate4.htm
A mountain chain that has formed at a divergent plate boundary is the Mid-Atlantic Ridge.
To identify the mountain chain that has formed at a divergent plate boundary, we first need to understand how divergent plate boundaries work. Divergent boundaries occur when tectonic plates move away from each other, leading to the creation of new crust. As the plates separate, molten rock called magma rises up from the underlying mantle and fills the gap, solidifying to form new crust.
One famous example of a mountain chain formed at a divergent plate boundary is the Mid-Atlantic Ridge. This underwater mountain range runs down the center of the Atlantic Ocean and marks the boundary between the Eurasian and North American plates in the North Atlantic, as well as the boundary between the South American and African plates in the South Atlantic. The Mid-Atlantic Ridge is formed as these plates move apart, allowing magma to rise and solidify, creating new oceanic crust.
It is worth noting that the Mid-Atlantic Ridge is mostly submerged underwater, but it still represents a significant mountain chain formed at a divergent plate boundary.