110 
GEOLOGY OF NORTH CAROLINA, 
GEOLOGICAL 
TIME. 
j AGE. 
SYSTEMS. 
SUB-DIVISIONS. 
CyENOZOIC. 
C 
eS 
a 
g 
c3 
a 
QUATERNARY. 
Terrace. 
Champlain. 
Glacial. 
TERTIARY. 
Pliocene. 
Miocene. 
Eocene. 
MESOZOIC. 
Reptilian. 
1 
CRETACEOUS. 
Upper. 
Middle. 
Lower. 
JURASSIC. 
Oolitic. 
Lias. 
TRIASSIC. 
Keeper. 
Muschelkalk. 
Bunter-Sandstein. 
PALEOZOIC. 
Amphibian. 
PERMIAN. 
Permian. 
CARBONIFEROUS. 
Upper. 
Lower. 
Sub-Carb. 
s 
o 
h-t 
DEVONIAN. 
Catskill. 
Chemung. 
Hamilton. 
Corniferous. 
Oriskany. 
Molluscan. 
SILURIAN. 
. 
Upper. 
Lower. 
Primordial. 
.o' 
O 
N 
AZOIC. w 

Archaean. 
HURONIAN. 
Huronian. 
LAURENTIAN. 
Laurentian. 
IGNEOUS. 
Igneous. 
