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The article discusses possible ways to increase the potential of small-scale mining of the Republic of Sakha (Yakutia). Currently, their share in the structure of the country-s mining sector does not exceed 1-2 percent, compared with 15-30 percent in a number of foreign countries. The article shows that for the development of small-scale mining in the region, having a large number of different potential small-scale deposits, there is a need to develop a scientifically based concept of their use, with changes in a ...

The article considers the systematic errors of estimation of reserves and average contents of useful component in exploration of alluvial deposits of nesting, tape, etc. structures. The article identifies and evaluates the main components of systematic errors in the assessment of mineral content, useful and harmful components in alluvial deposits based on theoretical, experimental and generalized published works: insufficient density of the exploration network; error due to unrepresentative sample size. These erro...

The article analyzes the mineral and raw material base of coal deposits of the Arctic zone of the Republic of Sakha (Yakutia), all of them were explored in the Soviet time in the middle of 40-50 years. The paper presents a comparative characteristic of the geographic and economic, mining and geological and geotechnological conditions of coal deposits in the basins of north rivers Jana and Indigirka. The qualitative characteristics of the coals have been studied, which showed that from the point of view of consumer...