inr a Se NE IG Jes rar NGT AA JL abe LAS SYN RR ESS 
ÅN Å AA ' LA 
Ä 
30 Pentti Eskola. (LXIIE 
a migmatite with ek and such mixtures are 
- > intersected by the aplite. The mig- 
matite is also invaded by dark dikes, Så 
some of which are older and other 
younger than the Pr dikes (fig. DR S 
At point 38 Å occurs a differan - 
tiated dike whose breadth is åppr. 20 Sd 
meters. This dike invades amphibol- - 
ite-adergneiss in a north-southerly SS 
: direction obliquely to the strike of 6. å 
the latter and in a vertical position. RV 
The western border is made up of =: 
a dark-coloured hornblende-gabbro 
which passes gradually into a hornblende-granite, on the 3 
eastern side. Close to this dike in W there is a parallel 23 
simple dike of the same kind as the most femic portion of d Nå 
the differentiated dike. | ; 9 
At point 42 A a dark dike intersects coarse-grained — 2 
graphite-limestone. This dike-rock consists of biotite, pale 
brown hornblende, colourless pyroxene and smaller amounts — d 
of plagioclase (labradorite). : 3 
Near Mys Besimyanniy composite dike-breccias of kerså Es 
santite and aplite invaded the porphyritic granodiorite, AS a 4 
already mentioned. Both the aplite and the kersantite were 
subjected to chemical analysis. That of the aplite was quoted - SR 
above (p. 26). The analysis of the FREE made by 
the writer, gave the IeToRna result. ; KE Ne 
Fig. 7. Dikes in migmatite 
SE-shore of SE Noss. 
