Abstract
The paper assesses the geospatial variability of quality indicators of the Zlobychi alluvial ilmenite deposit of the Irsha group of deposits. The variability of quality indicators was also studied. Based on the use of statistical methods, the dependencies between individual quality indicators were established. A close correlation between the ilmenite content and the thickness of the formation, the thickness of the sole and the thickness of the peat, and an average correlation between the thickness of the formation and the thickness of the sole were found. The main result of the research is the construction of complex placer models, which are used to clarify the structure and conditions of the deposit formation, and to identify conditioned and unproductive areas. The correlation between the distribution of ilmenite and the value of the thickness of the ventilation crust was established. The data for determining the optimal development directions are presented and the zones of mineralization are identified.
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