Plate Tectonics
Andesite is an intermediate volcanic rock that primarily consists of plagioclase feldspar and is typically associated with subduction zones. This rock type forms when magma rises from the mantle through the Earth's crust, often at convergent plate boundaries where an oceanic plate is subducting beneath a continental plate, leading to the creation of volcanic arcs. Its composition reflects a mix of silica content, resulting in its characteristic gray to dark color.
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