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Feature space of the Atasu type deposits (Сentral Kazakhstan)

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Category: Content №5 2021

Last Updated on 29 October 2021

Published on 30 November -0001

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Authors:

N.S.Askarova, orcid.org/0000-0002-2103-6198, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

A.T.Roman, orcid.org/0000-0003-3489-9475, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

V.S.Portnov, orcid.org/0000-0002-4940-3156, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

A.N.Kpobayeva, orcid.org/0000-0002-0601-9365, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

повний текст / full article

Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2021, (5): 005 - 010

https://doi.org/10.33271/nvngu/2021-5/005

Abstract:

Purpose. Studying geological formations of the Atasu type deposits to identify prospecting criteria.

Methodology. Analysis of literature and fund materials, comparative analysis of geological factors characteristic of stratiform ores, stage formation and metamorphism.

Findings. The main features characteristic of the deposits of the Atasu type have been formed: their belonging to the lower strata of the Upper Famennian, Upper Devonian to the Visean stage of the Lower Carboniferous; complex composition of ferromanganese and polymetallic ores formed in three hydrothermal stages (sedimentary, metasomatic and vein ones), stratiform, lenticular, localized near volcanic edifices.

Originality. The main geological criteria have been established that determine the belonging of the Uspensky ore belt in Central Kazakhstan deposits to the stratiform deposits of the Atasu type formed at different depths in continental rift valleys. The criteria include the age interval of the formation of ore deposits of the stratiform type, hydrothermal staging of mineralization (sedimentary, metamorphic, metamorphic (hydrothermal, dislocation multistage and dynamothermal)); localization of folded and post-folded subvolcanic intrusions near former volcanic edifices.

Practical value. The main prospecting geological criteria (features) established for the Atasu type deposits can be used to form a feature space for predicting the areas of mineral deposits localization of the Uspensky ore belt of Central Kazakhstan formed in close time periods, in similar geological-geochemical, thermodynamic and geodynamic conditions.

Keywords: Uspensky ore belt, Famennian-Tournaisian era, iron-manganese, polymetallic ores, stratiform bodies, stages of mineralization and metamorphism

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