VOLUME XXVI NUMBER 2 
THE 
lOURNAL OF GEOLOGY 
FEBRUARY-MARCH 1978 
GENESIS OF THE ALKALINE ROCKS 
REGINALD A. DALY 
Harvard University 
INTRODUCTION 
RECENT FIELD OBSERVATIONS 
Relation of the alkaline and subalkaline suites 
Ice River intrusion, British Columbia 
Haliburton County, Ontario 
Palingenesis in relation to the problem 
- Azof region, Russia 
Reinhardswald, Germany 
Almunge, Sweden 
Hawaii 
Tahiti 
Queensland 
SPECIAL CHEMICAL CONSIDERATIONS 
“‘Saturation”’ in igneous rocks 
Action of ‘“‘mineralizers”’ and of normal faulting 
Migration of free volatile materials from country rock 
Relevant experiments 
BOWEN’s EXPLANATION OF THE ALKALINE ROCKS 
Summary of his general theory 
Definition of ‘‘ differentiation” 
Absence of fractional crystallization in most basaltic sills 
Comparative homogeneity of femic phases in differentiated sills and 
laccoliths 
Origin of the pre-Cambrian granites 
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