Geologa and geochemistry of the Raštelica barite deposits southwest of Sarajevo, Bosnia and Herzegovina
Journal Title: UNKNOWN - Year 2002, Vol 14, Issue 1
Abstract
The Raštelica barite deposit occurs in the lowest part of Permian carbonate rocks along their contact with underlying Middle Permian variegated sandstones. Mineralization is in form of a few twn meters long and 0,3 to 3 m thick conformable bedded lensoid bodies. Crude ore contains 90% of BaSO4. Bornite is the main copper mineral associated with chalcopyrite. Content of SrSO4 in barite is 4.4%. δ34S of sulphate sulphur is +9.5‰ indicating source of sulphur from the Permian sea water. Fluid inclusions were performed on quartz and barite crystals. Warming of frozen inclusions gave rise of four or five solid phases. Homogenization temperature for all inclusions were measured from +220 to +350°C. Salinity was obtained between 32.6 and 32.9 wt% NaCl equ. Most of features suggest submarine hydrothermal origin.
Authors and Affiliations
Ivan Jurković Rajka Tončić-Gregl Sabina Strmić Dubtravko Šiftar
Keywords
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