CLASSIFICATION OF THE NEW HAMPSHIRE FORMATIONS. 



^7^ 



11. Eruptive Masses. 



Conway granite, 

 Albany granite, 

 Chocorua series, 

 g \ Granite cutting Coos group, 

 Granite not otherwise assigned, 

 Sienite of Mt. Gunstock, etc., 

 Exeter sienite and diorite (Quincy), 



Labradorite diorite, 

 Porpliyry, 

 Pequawket breccia, 

 Trachyte. 



Diorite, 

 Dolerite. 



FORMATIONS REPRESENTED IN THE MIDDLE SECTION OF THE 

 ATLANTIC AREA. 



O ( 



N] 



Quarternary, 

 i 1 Tertiary. 

 U I 



Cretaceous, 

 Triassic. 



f Permo-Carboniferous, 



y Carboniferous, 



O 



N Devonian, 



^\ 



W Silurian, 



I—] 



< Cambro-Silurian, 



Cambrian. 



U 

 O J. 



Huronian, 

 Labrador, 

 Montalban, 

 Laurentian. 



I 



