Abstract
The Muratdagi region is rich in antimony deposits having the following common characteristics: post Miocene age, location on the down-thrown blocks next to normal faults, in the vicinity of active or fossil thermal springs, and in contact with carbonate rocks. The isotopic composition of — 7‰. SMOW of the mineralizing fluid calculated from the measured ° 18O of quartz and the fluid inclusion microthermometry, is indicative of meteoric water origin. The ° 13C of the inclusion CO2 of — 19.1 to — 25.4‰ PDB is indicative of interaction with organic material-graphite. The ° 34S of stibnite — 3.6 to — 0.7‰ is, in view of the mineral assemblage, indicative of magmatic origin of the sulphur. A tightly confined set of structural, lithological, hydrological and geochemical features define a sequence of geochemical processes; formation of acid and reducing fluid, leaching and transport of antimony complexes and precipitation of stibnite within defined lithological units. The set of processes seems to have taken place within a space of 5000 m lateral and 1000 m vertical extension.
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Gokçe, A., Spiro, B. Stable isotope study of antimony deposits in the Muratdagi region, western Turkey. Mineral. Deposita 29, 361–365 (1994). https://doi.org/10.1007/BF00191042
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DOI: https://doi.org/10.1007/BF00191042