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Igneous Rock Chemistry in Island Arcs by madhuspatitripathy is a document available to read on EtoBox.
Island arcs form along convergent plate boundaries where one tectonic plate subducts beneath another. Volcanic rocks in island arcs show more compositional diversity than MOR basalts, with basalts being subordinate to intermediate and silicic rocks. Island arc magmas have calc-alkaline affinities and fractionate in a way that produces andesites and dacites through early crystallization of plagioclase and hornblende. They are enriched in incompatible elements like K and Ba but depleted in Nb, Ti and Y relati
- Author
- madhuspatitripathy
- Language
- EN