Arkell.1956.Jurassic..

THE CRIMEA 353
a hard, compact, partly metamorphosed limestone, varying in colour from
black to white and sometimes oolitic, which still remains to be studied
in detail. The thickness has been variously estimated at 1500 m. and
'not greater than 300 m.'. The only fossils so far obtained are
the hydrozoan Ellipsactinia and a coral, Cladocoropsis mirabilis Felix,
described from similar poorly-fossiliferous limestone in Dalmatia, which
there lies above the Lias and below the Middle Kimeridgian Lemes Beds
(see p. 193).
FIG. 51.—Geological sketch-map of the Crimea.
THE CRIMEA
Both structurally and stratigraphically the SE. part of the Crimean
peninsula (fig. 51) represents a detached prolongation of the northern slope
of the Caucasus. It is an area remarkable for great thicknesses of strata
(Oxfordian-Kimeridgian, and Tithonian, each up to 600 m.), leading
up to the enormous totals reached in the Caucasus, and for stronglydeveloped
intra-Jurassic folding. It is for these foldings that the Crimea
has become famous, for they constitute the type for the Cimmerian
movements. The name is taken from the ancient Greek settlement of
Cimmerium, at Mount Opuk (570 ft.) on the north coast of the Kertch
peninsula, in the eastern Crimea, and from the half-mythical Cimmerian
people. Suess ('Face of the Earth', vol. i, p. 474) recognized two periods
of folding: one between Trias and Lias, the other between Jurassic and
Cretaceous. Stille (1924, 'Grundfragen', p. 132) called these the older
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