Andesitic rock is an igneous rock with a composition in between that of basaltic and granitic igneous rock.

1 answer:

7 0

ANDESITE is a fine grained rock that formed when magma irrupt it onto the surface and crystallized quickly ANDESITE & DIORITE have a composition that is intermediate between basalt.This is because their parent magmas formed from the PARTIAL melting of a BASALTIC oceanic plate.

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