[Ce] 
The latest elevation of the Baikalian Region took PR 
at late epochs of the Tertiary period, and the vast shield 
of rock-crust broke up, some parts forming deep depressions, 
as the basins of Lake Baical and the Bargousin River. The 
island of Olchon and the peninsula of Sviatoy Noss are smal- 
ler blocks of the broken up shield which have preserved a 
Fig. 1. The South Cape of Sviatoy Noss with elevated shore-terraces. 
Photo P. Eskola. 
horst-like position within the Baikalian depression and are 
bounded by faults. Sviatoy Noss, being joined to the conti- - 
nent only by an isthmus formed by the delta deposits of the 
Bargousin river, is therefore at the same time a part of the 
Baikalian shield and an isolated horst. 
The rock-crust of Sviatoy Noss (see the sketch-map) 5 
belongs entirely to the »crystalline suite» in the sense named 
above. There occur crystalline schists largely injected with 
granite. No unconformity between the different rocks can 
be traced. And the peninsula being bounded by zones of — 
Pentti Eskola. KAL (EXET 
FÅ 
2 
displacement, there is no relation whatever between the 5: 
orography aid the geological structure, if not the fact is 
