ASSESSMENT OF GOLDEN ORE POTENTIAL WITHIN UPPER-KHAKCHAN ORE FIELD

Survey of geological-structural, morphological, and parametric characteristics of the ore zones Main and South
Study of material composition and distribution of ore mineralization, character of metamorphous and metasomatic changes in enclosing rocks, physical properties of ores and ore-hosting rocks
Assessment of technological properties of the ores
Survey of hydrogeological, engineering-geological and ecological features of the work performance site
Elaboration of feasibility studies for exploration conditions, estimation of the ore gold deposits by categories C1, C2 in the ore zones Main and South
Reassessment of P1 category forecast resources on the flanks of the ore zones
Development of recommendations on the further performance of geological prospecting and exploration

The project was implemented in accordance with approved technical (geological) specifications and calendar schedule of geological prospecting and exploration
The engineering studies of the ores revealed the low levels of sorption cyanidation in enrichment products, and, therefore, it was decided to carry out the work on autoclave processing of gold ore concentrates
The autoclave processing was preceded by an additional re-cleaning enabled to increase the gold content in the flotation concentrate by 62%, and by a test experience on flotation using a depressor reagent, which allowed to reduce the mass share of carbon substance in the re-cleaning concentrate in 5 times and increase the quality of the concentrate in terms of the gold content by 35%

06.2017 - 09.2017
elaboration and approval of the project documentation, preparatory works, collection and analysis of the retrospective data
10.2017 - 12.2017
conduct of mining and drilling operations in the central part of the zone Main, documentation and sampling of mining excavations and core wells, laboratory and analytical studies
01.2018 - 12.2018
performance of mining and drilling operations in the central and flank parts of the zones Main and South, documentation and sampling of mining excavations and core wells, laboratory and analytical studies, collection of engineering samples, conducting of hydrogeological, engineering-geological and environmental studies
01.2019 - 10.2019
completion of mining and drilling operations in the central and flank parts of the zones Main and South, mining and drilling operations on the flanks of the ore zones, documentation and sampling of mining excavations and core wells, laboratory and analytical studies, engineering surveys, completion of hydrogeological, engineering-geological and environmental studies, assessment of reserves by categories C1 and C2, assessment of forecast resources by category P1, development of feasibility study of temporary exploration conditions and geological feasibility studies

Proprietary deposits of ore gold by category C1;

3,800 kg

Proprietary deposits of ore gold by category C2;

81,800 kg

Forecast resources by category P1.

29,600 kg

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