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Картирование вертикальной геохимической зональности на примере золоторудного месторождения Чертово Корыто (Патомское нагорье)

Картирование вертикальной геохимической зональности на примере золоторудного месторождения Чертово Корыто (Патомское нагорье)

Abstract

Проведена обработка геохимических данных по вторичным ореолам рассеяния мезотермального золоторудного месторождения Чертово Корыто с целью определения местоположения уровней оруденения на дневной поверхности. Основу исследования составили данные анализов сколковых проб, отобранных из поверхностных горных выработок и керна вертикальных разведочных скважин. Полученные аналитические данные обработаны с помощью дискриминантного анализа, основанного на «распознавании образов». Установлено, что геохимические спектры над-, среднеи подрудного уровней золотого оруденения имеют существенные различия. В результате разделения массива геохимических проб на основе отнесения их к эталонным выборкам, проведено выделение трех уровней оруденения на площади месторождения. Показана принципиальная возможность применения дискриминантного анализа для картирования уровней золотого оруденения.

In order to determine the location of mineralization levels on the surface the geochemical data processing has been carried out on the secondary dispersion halos of mesothermal gold field Chertovo Koryto. Rock samples from surface mine openings and core of vertical exploration wells were in the base of investigation. The obtained analytical data were processed by means of the discriminant analysis based on «recognition of images». It was established that geochemical ranges of above-, middleand below ore levels of a gold field have essential distinctions. As a result of division of the massif of geochemical samples on the basis of their classification as reference samples, three levels of mineralization were determined on the deposit area. The paper introduces the principal possibility of applying discriminant analysis for mapping gold mineralization levels.

Keywords

ЗОЛОТО, ВТОРИЧНЫЕ ОРЕОЛЫ РАССЕЯНИЯ, ЭРОЗИОННЫЙ СРЕЗ, УРОВНИ ОРУДЕНЕНИЯ, ЭТАЛОННЫЕ ВЫБОРКИ, ДИСКРИМИНАНТНЫЙ АНАЛИЗ, КАРТИРОВАНИЕ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average