Abstract
The Krusha ore occurrence is located in the western part of the Srednogorie zone. The quartz-chalcopyrite veins are hosted by altered basaltic andesites. The styles of alteration are propylitic, sericitic, argillic and advanced argillic. The ore veins consist mainly of chalcopyrite, quartz and carbonates. Native copper is observed as single grains. Chalcopyrite is with high contents of Se. Au is up to 3.13 ppm with average contents of 1.43 ppm.
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