Mineralogy and metallogenic potential (Pt, Pd, Au, V) of the Proterozoic Kuolisma and Motko gabbro-dolerite intrusive units, Karelia
The gabbro-dolerite intrusive units are briefly described geologically. The results of the mineragraphic and microprobe studies of noble-metal mineralization at the Kuolisma and Motko occurrences are reported. Their comparative analysis was done. Major mineral ore associations were identified and conclusions regarding the conditions of their formation were drawn and supported by available evidence. The mineralogo-geochemical indicators of platinum-group metal mineralization in Proterozoic gabbro-dolerite intrusive units were identified. Prognostic appraisal of noble-metal resources was done.