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Centre for Earth and Environmental Science Research

Metallogenic Evolution of the Dinaride Belt of the Balkan province

Executive Summary
ResearchersMrs Milica Veselinovic-Williams, CEESR
Dr Peter J. Treloar, CEESR
Professor Andy Rankin, CEESR
Professor Ladislav Palinkas, Zagreb University, Croatia
Dr Vertrees "Mac" Canby, Phelps Dodge
Funding Body/SourcePhelps Dodge, Kingston University
Duration2006-ongoing
Project SummaryThe specific aims and objectives of the project are to develop: a paragenetic sequence of mineralization and alteration for the base metal sulfide deposits of southern Serbia and northern Kosovo; a comprehensive data set of chemistries and PVT properties for the various fluid generations; and a detailed analysis of the structural and lithological controls on fluid migration and subsequent alteration and mineralization. These data will be used to model fluid sources and chemistries; to develop and test a genetic model for mineralization and to develop a model for future exploration.

A secondary aim is to develop an international quality GIS based metallogenic map of the Balkan province that will constrain the temporal and spatial distribution of ore deposits within the region, underpin a plate tectonic based model for their metallogenic evolution and provide a modern metallogenic model for the whole Dinaride Zone to illuminate future exploration strategies.

BACKGROUND

The Dinaride belt is a 2000 km-long orogenic chain of Alpine age, developed during convergence between the Adria and Euroasia plates. It consists of an assemblage of northwest-southeast to north-south trending tectonic zones namely: External Dinaride Zone, Dinaride Ophiolite Zone, Pelagonian-Drina-Ivanjica Zone and, Vardar Zone (Dimitrijevic, 2001; Robertson and Karamata, 1994; Pamic et al., 2002). The Dinaride belt is characterized by a diversity of mineral deposits, which are concentrated within several larger metallogenic districts. The Kopaonik metallogenic district (Fig. 1) of southern Serbia is one of the largest Pb-Zn provinces in the Balkan Peninsula. It hosts several skarn, hydrothermal-replacement type, vein and stockwork Pb-Zn-Ag deposits and small porphyry Cu (Au) deposits. The deposits are likely related to Neogene calc-alkaline magmatic complexes. The origin and genesis of the deposits is poorly constrained.

Little is known of the nature and origin of hydrothermal fluids, or of the origin of metals and sulphur involved in mineralisation. The present study was initiated with the aim of improving understanding of the conditions of formation of the Pb-Zn (Ag) deposits in the Kopaonik metallogenic district and to refine exploration models for similar deposits in the region. Our hypothesis that the Belo Brdo Pb-Zn (Ag) deposit could represent epigenetic peripheral mineralised bodies linked to perhaps porphyry-style systems is being tested using the following methodologies: fluid inclusion analysis, SEM, ICP-MS and geochronology.

Fig. 1 Location map of the Kopaonik metallogenic district, southern Serbia.

REFERENCES

Dimitrijevic M.D., 2001. Dinarides and the Vardar zone: a short review of the geology. Acta Vulcanologica, 13 (1-2): 1-8.

Pamic J., Tomljienovic B. and Drazen B., 2002. Geodynamic and petrogenetic evolution of Alpine ophiolites from the central and NW Dinarides: an overview. Lithos, 65: 113-142.

Robertson A.H.F. and Karamata S., 1994. The role of subduction-accretion processes in the tectonic evolution of the Mesozoic Tethys in Serbia. Tectonophysics, 234: 73-94.

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