Andesite
Andesite yog ib qho ntawm cov pob zeb extruded thiab nthuav dav, thib ob tsuas yog basalt. Cov pob zeb tseem ceeb yog plagioclase, hornblende thiab ib qho me me ntawm pyroxene. Thaum tshiab, nws yog grey-dub, grey-ntsuab los yog xim av, nrog ib tug variegated qauv.