Figure 6. Stratigraphic column of
the Neoproterozoic-Early Cambrian rocks.
1 - basic volcanic rocks; 2 - conglomerate and conglobreccia;
3 - polymictic arkose-graywacke gritstone and sandstone;
4 - quartz sandstone; 5 - siltstone; 6 - argillite and silty
argillite; 7 - carbon-bearing argillite and silty argillite,
8 - pelitic and aleuropelitic shale; 9 - limestone, including
its sandy varieties, and interbedded limestones and silty
argillites; 10 - dolomite and sandy dolomite; dolomite and silty
argillite interbedding; 11 - dolomitic limestone, calcareous and
silty argillite dolomite; 12 - calcareous dolomitic marl;
13 - salt-bearing carbonate; 14 - stromatoliths and
microphytoliths; 15 - silicification; 16 - synsedimentation
breccia; 17 - unconformity; 18 - fault zone;
19 - structural style; 20 - measured bedding (in degrees).
Stratigraphic column: a) general scale, b) regional units
and groups, c) formations and their average thicknesses (in
meters), d) lithology; pr is the index for the granites of the
Primorsky Complex.