tatanan
basalt formulir nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
  
hawaiite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung lan tekan lumahing bumi.
  
isi Mineral
olivine, plagioclase, pyroxene
  
olivine, plagioclase, pyroxene
  
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
  
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide