Geology and geochemistry of the Raštelica barite deposits southwest of Sarajevo, Bosnia and Herzegovina (CROSBI ID 98359)
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Podaci o odgovornosti
Jurković, Ivan ; Tončić-Gregl, Rajka ; Strmić, Sabina ; Šiftar, Dubravko
engleski
Geology and geochemistry of the Raštelica barite deposits southwest of Sarajevo, Bosnia and Herzegovina
The Raštelica barite deposit occurs in the lowest part of Permian carbonate rocks along their contact with underlying Middle Permian variegated sanstones. Mineralization is in form of a few ten long and 0.3 to 3 m thick conformable bedded lensoid bodies. Crude or contains 90% BaSO4. Bornite is the main copper mineral associated with chalcopyrite. Content of SrSO4 in barite is 4.4%. &#948 ; 34S of sulphate sulphur is +9.5&#8240 ; 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.
Bosnia; Raštelica; Permian strata-bound barite deposit; SrSO4; δ 34S of barite; fluid inclusion
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