GLOSSARY 
A 
Alkalicalcic. Having salic alkalies and salic lime present in equal or nearly equal 
Ko OS a Nae / 5 ie 
amounts. ————_-_ < - >. 
Ca O' 3 5 
iy 
Calcimiric. Equally calcic and miric, or nearly so. MgO + FeO O + FeO 5 3 
NG < eee 
Class. Division of igneous rocks based on the relative proportions of salic and femic 
standard minerals. 
D 
Do- (or dom) Prefix indicating that one factor dominates over another within the 
ratios lcande 
I 5 
Docalcic. Dominantly calcic. Of salic minerals when CaO’ dominates over 
Ke O' + N&O" - 3 I 
K, O’ + Naz O’. ; ->—. Of femic minerals when Ca O” 
Cai 5 v4 
Meg Ope Osea eet 
dominates over Mg O + Fe O. Ga deel at 5 & ay. 
Dofelic. Dominantly felic, having normative feldspar dominant over normative 
SHOE esti 5. 
F Say 
Dofemane. Class IV of igneous rocks, having femic minerals dominant over salic, 
Sal 3 I 
. Fem : 5 ‘i oe 
quartz or lenads. 

Dofemic. Dominantly femic, having femic minerals dominant over salic. 
ee iets a 
Fem ~ 5 % 
Doferrous. Dominantly ferrous, having Fe O dominant over Mg O. 


Domagnesic. Dominantly magnesic, having Mg O dominant over Fe O. 
IM gOS fe ee 
Red, sme uae 
Domalkalic. Dominantly alkalic; of salic minerals when Ky O’ + Na: O’ dominates 
SUSE ae a < “55. Of femic minerals when K, O” + 
Ca O I a 
Naz O” dominates over Mg O + Fe O + Ca O”. 
MgO + FeO + CaO" 351 
Ky O” + Naz O” 5 ype 
ZOZ 

over Ca O’. 
