Age of Ore-Bearing Iron–Magnesian Metasomatic Rocks in the Central Part of the Aldan Shield: U–Pb Geochronological Results for Garnetстатья
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Аннотация:U–Pb (ID-TIMS) geochronological studies of garnet from iron–magnesian metasomatic rocks ofthe Kurung-Khoonku River ore occurrence (Leglier deposit group, West Aldan megablock) were carried out.The results obtained (1901 ± 5 Ma) are the first age determinations of formation processes of ore-bearingiron–magnesian metasomatic rocks in the Aldan Shield. They are related to the final stages of the Early Pro-terozoic tectonic–magmatic evolution of the Aldan geoblock.