On the conditions of formation of the oxidation zone of the Osennoye molybdenum deposit
Abstract
The main ore body of the Osenneye deposit is confined to the crushing zone in granodiorites and is represented by quartz and quartz-feldspar with tourmaline molybdenite-bearing veins, which dip westward at an angle of 35° in meridional strike. The body has been penetrated along the dip for about 60 m, and from the surface up to 35 m by adits, drifts and splits, and in the interval of 50-60 m it is undercut by a mine. The data of sampling and study of material composition of ores allowed to distinguish the oxidation zone up to 40 m deep, where the most oxidized ores are confined to the surface with a gradual decrease of oxide forms of molybdenum at depth ...
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