Труды Кольского научного ценра РАН. № 6 (10), вып.1. 2019 г.

TRANSACTIONS of the Kola Science Centre CONTENTS Akimova E. Yu. Azimov P. Ya. Serebryakov N. S Anisimov R. L Ardislamov F. R. Lukashina N. A. Tretyakova E. A Bagdasaryan Т. E. Gavrushkin D. A. Veselovskiy R. V. Usanova О. I Bilaya N. A. Zaripova К. M. Guzeva A. V. Zelenkovsky P. S Bobrovnikova E. M. Sheetov М. V Borisova E. B. Ivanova A. A. Badanina E. V Vashkov A. A. Nosova O. Yu Gavrilova A. A. Kuznetsov A. В Guzeva A. V. Slukovskii Z. I. Denisov D. B. Cherepanov A. A. Dauvalter V. A Guseva A. S. Ustinov S. A. Petrov V. A Dauvalter V. A Dmitrieva A. V. Gordon F. A GEOLOGY AND GEOCHEMISTRY Series 1 Page Rare and unusual minerals from corundum-bearing rocks of the Khitoostrov (North Karelia)..................... 9 Chromian spinels from ultramafic-mafic intrusions Kivach and Petusjarvi (South-West Karelia)............. 15 Geopark Toratau: geological heritage as an object ofecotourism.................................................................. 25 Speleothems as a source of paleomagnetic records by the example of Vorontsovskaya cave, Western Caucasus....................................................................... 32 Heavy metal finding forms in bottom sediments of Lake Ladoga............................................................. 37 Svir lagoon-bar system (Late Holocene, South-Eastern Ladoga area)........................................ 42 Comparison of the typochemism of accessory minerals from Li-F amazonite granites of the Turginsky massif and rare-metal granites of Eastern Transbaikalia.............................................. 52 Dynamics of the last ice cover on the south-west of the Kola Peninsula................................................... 57 Model evaluation of the isotopic composition of strontium in the drainage basin of the Caspian reg ion ............................................................................. 64 Bioavailable forms of trace metals in lacustrine bottom sediments of lakes of Murmansk.................. 70 On the issue of radiogeoecological condition of New Moscow ............................................................. 77 Long-term monitoring of chemical composition of lake sediments of the Northern Fennoscandia .... 83 U-Pb isotope age of Hautavaara structure granites (Karelia)........................................................................... 95 6