How Andesite Is Formed - Andesite generally occurs in convergent plate cages. Web andesites are generally found as surface deposits and may therefore be considered the extrusive equivalent to diorite, which. Web formation of andesite. Web andesite is formed at subduction zones where one tectonic plate slides between a second plate. Andesite is a popular rock for construction and landscaping purposes.
Web formation of andesite. Andesite is a popular rock for construction and landscaping purposes. Web andesites are generally found as surface deposits and may therefore be considered the extrusive equivalent to diorite, which. Andesite generally occurs in convergent plate cages. Web andesite is formed at subduction zones where one tectonic plate slides between a second plate.