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0411U000760,
к.геол.н.
15-03-2011
o
Detrital monazite of Ukraine: age, geochemical features and its potential origin
Andreiev Oleksiy Oleksandrovych,
popup.head Stepanyuk Leonid Mihailovich
popup.opponent Вальтер Антон Антонович
popup.opponent Лісна Ірина Михайлівна
Показано, що в осадовому чохлі України (девонські, неоген-палеогенові та сучасні відклади) регіонально поширені монацити неопротерозой- ранньопалеозойського віку, частка яких має тенденцію до зростання зі сходу (поодинокі знахідки) на захід (до 98%). Запропоновані геохімічні параметри які дозволяють розрізняти монацити з порід: високих та відносно низьких Р-Т умов формування. Древній детритовий монацит за вказаними параметрами відповідає монациту з порід Українського щита, а молодий детритовий монацит представляє переважно продукти руйнування кислих, відносно слабо метаморфізованих порід, які не мають прямих аналогів на УЩ. Вікові та геохімічні характеристики молодих детритових монацитів свідчать про наявність багатьох джерел їх появи в осадових утвореннях України. Такими джерелами можуть бути, насамперед, найдревніші породи Карпат.
2011-03-15
2020-04-04
Updated: 2025-12-07
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