Alkaline Igneous Rocks 
HYPABYSSAL 
PLUTONIC - VOLCANIC 
“ Pausic 
Aschistu Mafic 
H c Porphyritic Pegmatitix Felsitic, or porphy- 
Granitic with coarse aplitic, or ritic with dominant Glassy 
s ground mass porphyritic groundmass 
H Alkali-granite Alkali granite ALKALI- Alkali-rhyolite 
3 j 14 porphyry APLITE 
| 4 if : 
z 7 : i 
« 
j | = 
; j Alkali-syenite Alkali-#eyeuite HOSsTONITE Alkali-trachyte 
porphyry Natronminetic 
j Quarte-monzonite Quarte-mone QuoasTr-Mon Quartz-ltite 
onite-porphyry ZomtTR-artrrr 
Acid plagioclase 
Bittle orthociase or lenad =» With equa! alkalifeidspar 
i Monzonite Monaonite MonZcONITE Latite 
porphyry APFtitn 
Pyroxene, Amphibole, Mica 
Perlite 
Latitic 
a 
SODA-LIME FELDSPAR 
Basic plagioclase 
