ПОДВИЖНЫЕ ФОРМЫ ХИМИЧЕСКИХ ЭЛЕМЕНТОВ ИНТРУЗИВНЫХ ПОРОД ВОСТОЧНОЙ ПУСТЫНИ ЕГИПТА (ОБЛАСТЬ ЭЛЬ СЕЛА)
- 1 — Санкт-Петербургский государственный университет; Управление ядерных материалов, Каир, Египет
- 2 — Санкт-Петербургский государственный университет
Аннотация
В Восточной пустыне Египта развиты интрузивные породы с ураново-редкоземельной минерализацией (двуслюдяные граниты, микрограниты, долериты и бостониты). Оценено содержание химических элементов эталонных проб интрузивных пород и их водорастворимой (коллоидно-солевой) фракции. Фракция извлекается водой из породы при специально подобранных условиях. Проба породы и ее коллоидно-солевая фракция анализируются методом масспектометрии с индуктивно связанной плазмой. Химическая характеристика выделенной фракции отражает мобильную, подвижную часть химических элементов породы. Сравнение полученных данных позволяет оценить долю миграционно-способных и трудноподвижных форм химических элементов.
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