Geological Survey of Finland, Special Paper 46 - arkisto.gsf.fi

in the table). It exceeds the altitudes of the low sites
of an isthmus to the east and a southeast from the
mentioned mountain. Thus, the peninsula Rybachi
has turned into an island. Ice was probably kept active
for some time in the southwest part of Sredni
Peninsula at the end of the fourth stage. However,
evidence of it are absent and in relation to Fig. 3,
IV dead ice is only shown. All territory of Sredni
Fig. 2. Equidistant shoreline diagram for Rybachi
and Sredni peninsulas constructed on the
basis of the HML in different points. Heights of
the marine limit shown in the Table 1. The line
S0 corresponds to the Younger Dryas. It put
according to authors. Other lines correspond
to the surfaces that were formed by the sea
before the Younger Dryas. They are inclined
to a line S0 under the same corners as on the
diagram of M. Marthinussen [1] for the stripe
from Varangerfjord and the east of the Varanger
peninsula till area of Inari lake.
Fig. 3. The succession of the Rybachi and Sredni
peninsulas deglaciation. 1- border of ice distribution
established (a) and assumed (b); 2 – dead ice; 3
– active ice of ice sheet.
Geological Survey of Finland, Special Paper 46
Deglaciation of the Rybachi and Sredni Peninsulas in the Late Pleistocene, northwest Russia
Peninsula was released from ice during the Allerød
in the three following stages. Positions of dead ice
massif at the end of each of these stages are shown
accordingly on Fig. 3, 5, 6 and 7. A new approach of
the ice sheets in the Younger Dryas has not reached
the Rybachi and Sredni Peninsulas. The border of
the maximum distribution of active ice in this period
is seen much further to the south (Fig. 1).
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