See Also: andesite(medicine)
andesite(dictionary)
andesite(encyclopedia)

andesite (iou)



andesite noun. M19.
[formed as ANDESINE + -ITE1.]
Geology. A fine-grained, usu. porphyritic, volcanic rock consisting chiefly of plagioclase and biotite, hornblende, or pyroxene.
ande'sitic adjective of, pertaining to, or characterized by andesite M19.