04 R. A. DALY ORIGIN OF THE ALKALINE ROOKS 



Table showing Field Associations of Alkaline and Subalkaline Eruptives — Continued. 



Region. 



Alkaline eruptivvs. 



Associated subalka- 

 line eruptives. 



Carbonate rocks cut by 

 alkaline eruptives. 



Little Belt Moun- 

 tains, Montana. 



Syenite, monzonite, 

 shonkinite, anal- 

 cite basalts, voges- 

 ites, minettes. 



Basalt, d i r i t e, 

 and granite. 



Ditto; also some Bel- 

 tian (Beltterrane) 

 limestones. 



Castle Mountains, 

 Montana. 



Theralite, acmite 

 trachyte. 



Ditto. 



Ditto. 



Crazy Mountains, 

 Montana 



Theralite, acmite 

 - trachyte. 



Diorite, granite, 

 etcetera. 



Ditto. 



Coeur d'Alene dis- 

 trict, Idaho. 



Monzonites. 



Diabase. 



Limestone, dolomite, 

 and calcareous ar- 

 gillites of Belt ter- 

 rane. 



Goldfield, Nevada. 



Monzonite porphyry 

 and latite. 



Basalt, andesite, 

 rhyolite, etcet- 

 era. 



Cambrian limestone 

 and calcareous 

 shale. 



Tintic, Utah. 



Monzonite. 





Carboniferous lime- 

 stones. 



Yellowstone Park. 



Monzonite, syenite, 

 absarokite, sho- 

 shonite. 



Liparite, granite, 

 diorite, etcetera. 



Paleozoic limestones. 



Sundance Quad- 

 rangle, Wyo- 

 ming-South Da- 

 kota. 



Monzonite, leucite 

 porphyry, nephe- 

 lite syenite, bos- 

 tonite, ijolite, 

 nephelinite, four- 

 chite, camptonite, 

 vogeaite, pyrox- 

 enite. 





Paleozoic limestones. 



Aladdin Quad- 

 rangle, Wyo- 

 ming-South Da- 

 kota - Montana. 



Suite including some 

 types of Sundance 

 list. 





Ditto. 



Leucite Hills, Wy- 

 oming. 



Wyomingite, oren- 

 dite, madupite. 



Granite. 



Paleozoic and Meso- 

 zoic limestones. 



