LEGEND 
SEDIMENTARY ROCKS 
1 
UJ • 
£ I 
5 | Silts, sands, ami gravels 
Kenai series 
Conglomerate, sandstone , 
and shale, and some coal 
seams 
Black slates and thin- 
bedded limestones 
z i White limestone, heavy 
o i conglomerate, and shale 
QQ 
Rampart series 
Volcanic material, lime- 
stones, and slates 
METAMORPHOSED SEDIMENTS 
Made up chiefly of mica-schists 
and other schists, quartzites, 
and crystalline limestones, 
including Birch Creek schists 
and Fortymile series,probably 
the source of placer gold 
IGNEOUS ROCKS 
Felly 
Intrusive rocks ranging from 
granite to dioftte 
3 
t 
i- 
n 
s 
e 
u 
c 
i, 
r 
e 
t 
ii 
h 
y 
i- 
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