... is dated late Middle—Upper Eocene (upper Lutetian—Bartonian—Priabonian). We describe eight palynological assemblages from the continental Paleogene and Neogene deposits and substantiate the establishment of the Zhuravka, Abrosimov, Beshcheul’, and Tavolga Formations in the boreholes. Three stages...

... by difference in thickness of formations on the center and limbs of structure (modified from Aleinikov et al, 1980 ). Key to stage abbreviations (from youngest to oldest): d = Danian, m = Maestrichtian, cp = Campanian, s = Santonian, c = Coniacian, t = Turonian, cm = Cenomanian, al = Albian, ap = Aptian, b...

...-scale plutonism and volcanism, as well as climate events (including recent glaciations with formation of thick permafrost) have exerted much influence on the geological setting and chemistry of groundwaters, mostly brines. The tectonic, magmatic, and climate events have made the area distinct from other...

.... Erko, A., Packe, I., Gudat, W., Abrosimov, N., and Firsov, A. ( 2000 ) A Graded Crystal Monochromator at BESSY II. SPIE , 4145 , 122 –128. Farges, F. ( 2001 ) Crystal chemistry of iron in natural grandidierites: an X-ray absorption fine-structure spectroscopy study. Physics and Chemistry...