100 R. A. DALY ORIGIN OF THE ALKALINE ROCKS 



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



Region. 



Alkaline eruptives. 



Associated suhalka- 

 line eruptives. 



Carbonate rocks cut by 

 alkaline eruptives. 



Westerwald. 



Phonolite. 





Devonian limestone 

 adjacent. 



Weser-Wer ra- 



Nephelite basalt, 



Feldspar basalt. 



Mesozoic limestones 



Fulda District. 



leucite basalt, 





and marls and 





melilitic nephel- 





Paleozoic calcare- 





ite basalts. 





ous sediments. 



Rhon. 



Phonolite, trachyte, 

 nephelite basalt 

 (often leucititic), 

 limburgites, basan- 

 ites. 



Feldspar basalt. 



Ditto. 



Vogelsberg. 



Nephelite basalt, 

 phonolite, trach- 

 yte. 



Anamesite, basalt. 



Ditto. 



Duppau Hills, Bo- 



Phonolite, leucite 



Feldspar basalt, 



Tertiary marls and 



hemia. 



basalt, leucitite, 

 leucite tephrite, 

 leucite basanite, 

 nephelite basalt, 

 nephelinite, neph- 

 elite tephrite, 

 limburgite, au- 

 gitite, nephelite 

 syenite, augite 

 syenite, thera- 

 lite. 



andesite. 



calcareous tuflFs. 



Mittelgebirge, Bo- 



Phonolite, tephrite, 



Feldspar basalt. 



Mesozoic and Paleo- 



hemia. 



essexite, sodal- 





z o i c limestones 





ite syenite, trach- 





and marls. 





yte, nephelite 









basalt, limburg- 









ite, melilite ba- 









salt. 







Steiermark, Aus- 



Nephelite basanite, 





Tertiary, Mesozoic 



tria. 



nephelinite, nep 





(and older?) lime- 





elite basalt. 





stones and marls. 



Ditro, Hungary. 



Nephelite syenite 





Limestones in phvl- 





(many phases) 





litic t e r r a n e . 

 (Also younger 

 limestones ?) 



