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Geological structure of hematite quartzite deposits in Kryvyi Rih basin

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Category: Geology

Last Updated on 11 July 2014

Published on 11 May 2014

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Authors:

A.Ya. Smirnov, State Higher Educational Institution “Kryvyi Rih National University”, postgraduate student, Kryvyi Rih, Ukraine

Ye.V. Yevtekhov, Associate Professor, State Higher Educational Institution “Kryvyi Rih National University”, Senior Lecturer of the Department of Geology and Applied Mineralogy, Kryvyi Rih, Ukraine

V.D. Yevtekhov, Professor, State Higher Educational Institution “Kryvyi Rih National University”, Professor of the Department of Geology and Applied Mineralogy, Kryvyi Rih, Ukraine

Abstract:

Purpose. To determine localization regulations and internal structure of hematite quartzite deposits as a promising iron ore raw material of the Kryvyi Rih basin.

Methodology.Geological mapping with the use of the methods of systematic mineralogy, topomineralogy and petrochemistry.

Findings. The understanding of localization of hematite and quartzite in Valiavkynske deposit existed earlier was specified. It was shown that deposits of the fourth, fifth and sixth ferruginous horizons of Saksaganskaya series are characterized by analogous structure of vertical section. Mineralogical zones of hematite quartzite deposits such as goethite-martite, magnetite-martite and martite- magnetite zones were defined (from top to bottom of the section). The mineral composition of the hematite quartzite was described. Regularities of the different kinds of metalliferous minerals content variation (quartz, martite, specularite, dispersed hematite, magnetite, goethite, dispersed goethite, lepidocrocite, silicate, carbonate) were determined.

Originality. The detailed assessment of the variability of structure and composition of hematite quartzite deposits was made for the first time.

Practical value. The information about peculiarities of structure and composition, the specification of bottom limit of basin, detailed description of the transition zone between hematite quartzite deposits and low grade magnetite ore bodies makes the base for developing optimal technologies for ore extraction, its homogenization before delivery to concentration plants and processing.

References:

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