TY JOUR TI Vendian-Cambrian Rocks of the Upper Kalar Graben-Syncline of the Southern Part of Siberian Craton: Mineralogy and Major Elements Geochemistry KW Ediacaran KW Cambrian KW Udokan region KW climate KW chemical weathering proxies JO Russian Journal of Earth Sciences AU Merenkova, S.I. AU Kuz'mina, T.G. AU Karpova, E.V. AU Gabdullin, R.R. AU Vodovozov, V.Y. AU Romashova, T.V. AU Hohlova, I.V. PY 2024 IS 24 PB Geophysical Center of the Russian Academy of Sciences