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Scientific Review. Geographical Sciences

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PORPHYRY CU-MO MINIRALIZATION IN THE EASTERN PART OF THE CHUKOTKA AUTONOMOUS OKRUG

Сабельников И.С.
There are no giant Cu-porphyry fields which are the main industrial type of Cu-porphyry deposits. But in the east of the country within the Pacific Rim there are significant prospects of finding clusters of porphyry copper ore. The main prospects of identifying porphyry copper objects in the eastern part of the Chukotka Autonomous Okrug are associated with the areas of Kavralyansky ore-placer area of Murgalskaya gold-copper mineragenous zone. Within the investigated objects we have been carried out the prospecting for porphyry copper and associated ore. We have identified the genetic and spatial confinement of the porphyry copper mineralization within the study area to volcanic and volcano-plutonic structures by summarizing all of extensive geological and geochemical analysis of the material and a large amount of stock data. We have fixed the spatial association of mineralization with porphyry intrusions, mainly of intermediate composition. The result of processing the data of lithochemical areal sampling of secondary dispersion halos we were identified a comprehensive geochemical halo and also established a typical series of zoning indicator elements of the studied areas. Thus synthesis of geological submissions of porphyry copper deposits and studies allow to identify the main patterns of distribution and criteria for prediction of porphyry copper objects in the eastern part of the Chukotka Autonomous Okrug.