QAPF diagram
(
Q
uartz,
A
lkali feldspars,
P
lagioclase feldspars,
F
eldspathoid minerals)
Volcanic (extrusive) rocks
:
= Rhyolite
= Dacite
Intrusive rocks:
= Granite
= Granodiorite
= Rhyolite
= Dacite
= Granite
= Granodiorite = Rhyolite
= Dacite