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Vol 167 No 1
Pages:
31-34
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Research article
Geology

A geochemical and mineral associations of gold ore occurrences of Yanisyarvinsky area (South Karelia)

Authors:
O. A. Savicheva
About authors
  • Postgraduate student G.V. Plekhanov Saint Petersburg Mining Institute
Date submitted:
2005-06-25
Date accepted:
2005-07-03
Date published:
2006-01-01

Abstract

Features of element and mineral composition of the Alattu and Yanis gold occurrences in the Yanisyarvi district of South Karelia are considered. It was established that ore minerals in the Alattu deposit were formed during the pre-mining (arsenopyrite-quartz), early (gold-arsenopyrite), middle (freibergite-sphalerite-galenite), late (pyrrotite-gudmundite-native antimony), and hypergenic stages. The main (Au-As) and (Zn-Pb-Ag-Cu-Bi) elemental associations related to mineral associations of the early and middle ore stages were identified. The Au-Bi-Ag-Sn-Pb-W element association established in the Yanis deposit suggests a gold-red-metal ore type.

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References

  1. Иващенко В.И. Петрографические особенности золоторудного проявления Алатту (Карелия) // В.И.Иващенко, А.М.Ручьев, О.Б.Лавров, Н.И.Кондрашова. Проблемы магматической и метаморфической петрологии: Тезисы докладов Х науч. чтений пам. проф. И.Ф.Трусовой. М., 2000. С.12-13.
  2. Ore Mineralogy of the Osikonmaki Gold Deposit, Rantasalmi, Southeastern Finland. Bull. Geol. Surv. Kontoniemi O., Johanson B., Kojonen K., Pakkanen L. Finland. 1991. Special Paper 12. P. 81-86.
  3. Petrology and Structure of the Early Proterozoic Pirila Gold Deposit in Southeastern Finland. Bull. Geol. Surv. Makkonen H., Ekdahl E. Finland. 1988. Vol. 60 Part 1. P. 55-66.

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