On the upward migration of nickel and copper in the formation of salt halos in moraine sediments
Abstract
The search for sulfide copper-nickel ores on the Kola Peninsula and Karelia in the areas of continuous overlapping of bedrock by moraine sediments is very difficult. Geophysical methods, widely used in these conditions for prospecting purposes, often do not give an unambiguous answer about the causal relationship of the induced anomalies. The methodology of lithochemical survey developed by the Leningrad Mining Institute in relation to these conditions can provide significant assistance in improving the efficiency of prospecting. It is currently being implemented in a number of geophysical parties of the Kola District Geological Exploration Department and the Western Geophysical Trust in order to sort out geophysical anomalies. Application of lithochemical survey in one of such parties in 1966 in combination with geophysical methods led to the discovery of mineralization at a depth.
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