GRANODIORITE 
NOMENCLATURE OF FELDSPATHIC GRANOLITES 107 
GRANITE 
AND 
SYENITE 
FQUARTZ- 
MONZONITE 
AND 
MONZONITE 
QUARTZ- 
DIORITE 
AND 
DIORITE 
GABBRO 
SERIES 
OMNES OF ANMHINS Saccinins shud boleoapkooueebobesuus 
-—j-t00o Y% Or. + Ab 
ENSUES INO) HEE Sh INIn IRA) EBT ooo eocu ana hamedeee 
Aplitetof (Granodiorite, eRation7.or ues eae eee eee eee 
Granodiorite | Nios connec at OMe eee ne en 
Monzonite from Monzoni3.8:1....... 0 
Butte Granite. Average: 3.7/1.............- 
Banatite. Average 
Amphibole gabbro No, 1970. 
Idaho Basin Granite: 2.9:1. 
Quartz-micaldionite! Nong 6a arti eee ene 
Quartz-diorite. Average; 1.4:1. . 
—Division line between Diorite and Gabbro............... 
ahiogmcunsi see sae 
= Anorthititen escent eeeeenee: 
‘90 % 
80 % 
Vosct 
Granitite from Barr-Andlau § 7°9° +--+ ++:+ +--+ -+------- 
70 % 
-|-60 Y 
-[-50 % 
‘4° % 
30 % 
--—boG (109% An) 
