Re os isotopic dating of molybdenites
Images are 50 × 50 µm in size., whereas overgrowths are clearly associated with changes in the Re budget of the mineralizing fluid.
The presence of Re-Os nanoparticles in molybdenite questions the incorporation of noble metals in sulphide minerals.
Rhenium and Os are heterogeneously distributed reflecting changes in the composition of the hydrothermal fluid.
Such properties impose even greater difficulties when investigating isotope geochemistry.(D, H and L) show homogeneous distribution of common Os (mass 192) in molybdenite grains.