Микроминералы кимберлитов

B. M. Osovetsky

Аннотация


Рассмотрены особенности микроминерального мира кимберлитов. Сделан обзор предыдущих исследований. На примере детального электронно-микроскопического исследования аншлифов шести кимберлитовых трубок Якутии (Начальная, Новинка-1, 2, 4, Водораздельная, Обнаженная и Сытыканская) охарактеризованы типичные микроминералы (размер зерен в основном менее 5 мкм) в составе феннокристов, связующего вещества и продуктов изменения. Выявлены различия химического состава индикаторных микроминералов (интерметаллидов, сульфидов, фосфидов, оливина и др.), которые могут указывать на степень алмазоносности кимберлитов.

Ключевые слова


микроминералы; кимберлиты; Якутия; химический состав

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Литература


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DOI: http://dx.doi.org/10.17072/psu.geol.22.1.12

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