Question

Andesite is an extrusive volcanic rock of intermediate composition. but what rock types it

Answer 1

it is an intermediate type between basalt and rhyolite.

Explanation:

Andesite is an extrusive volcanic rock of intermediate composition. In a general sense, it is the intermediate type between basalt and rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende.