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Skarn-porphyry and porphyry-copper mineralisation have been located in the region of a granodiorite magma intrusion and these may be worthy of further exploration work., Skarn-porphyry and porphyry-copper mineralisation have been located in the region of a granodiorite magma intrusion and these may be worthy of further exploration work.

Complex geological survey work carried out in the Stiavnicke vrchy mountains, Czechoslovakia, has resulted in a new conception of geological structure and metallogenesis which has altered the possibility of further polymetallic ore exploitation in this area., Complex geological survey work carried out in the Stiavnicke vrchy mountains, Czechoslovakia, has resulted in a new conception of geological structure and metallogenesis which has altered the possibility of further polymetallic ore exploitation in this area.

Exploration during the last 35 years is reviewed. The main emphasis is on the Stiavnica and Kremnica ore districts, which are the principal potential sources of base and precious metals respectively., Exploration during the last 35 years is reviewed. The main emphasis is on the Stiavnica and Kremnica ore districts, which are the principal potential sources of base and precious metals respectively.