Specification of criteria of diagnostics of kimberlites of Yakutia: Petrochemistry and mineralogy
To improve specification accuracy for investigated basic-ultrabasic rocks of Yakutian diamond-bearing province, mineralogical criteria (micas and perovskites) were additionally applied. The chemical compositions of micas from typical kimberlites from 6 pipes were compared with micas from previously...
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| Format: | Article in Journal/Newspaper |
| Language: | Russian |
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| Online Access: | https://repository.rudn.ru/records/article/record/3543/ |
| Summary: | To improve specification accuracy for investigated basic-ultrabasic rocks of Yakutian diamond-bearing province, mineralogical criteria (micas and perovskites) were additionally applied. The chemical compositions of micas from typical kimberlites from 6 pipes were compared with micas from previously characterized petrogeochemically-specific rocks similar to orangites and lamproites. As shown, micas' composition can't be a criterion for basic-ultrabasic rock classification and differentiation of kimberlites, orangites and lamproites. The rock's isotope-geochemical characterization remains the only criterion. |
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