ASX-listed Slovakia minerals explorer European Cobalt Ltd (ASX: EUC) has announced pleasing results from initial reconnaissance sampling from historic mining dumps at Dobsina Project.
Robert Jewson, European Cobalt’s Managing Director, said the high grade mineralisation reported at Dobsina from the sampling of waste dump material is a testimony towards the very high historical cut off grades required at the point in time in which the mineralisation was mined.
The systematic work undertaken justifies further bulk sampling and metallurgical testing to be completed in conjunction with surveying to evaluate the scale of these waste dumps, Mr Jewson said.
“The Lidar survey planned to commence in late October will provide an accurate assessment of the volume of waste dump material and extent of surficial ground disturbance across the site,” he said.
The company said sampling conducted aimed to test a variety of mineralisation styles, host lithologies and grades of material in order to understand the geochemical nature of the mineralisation and prioritise dumps according to their respective grades.
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A systematic evaluation of 16 of a total of 42 waste dumps on site at Dobsina has been conducted in order to gain an understanding of the geochemical nature of the discrete styles of mineralisation.
Systematic grab samples of discrete lithologies and mineralisation styles, including those with no apparent mineralisation were taken. The sampling of visually barren material was completed in order to gain an understanding of the waste rock characterisation.
Further testing on the priority dumps and the additional untested dumps is underway to determine the potential grade and scale of the waste dumps across the Dobsina Project.
A high resolution airborne Lidar survey (Light detection and ranging) is planned to commence in late October.
