Abstract
Due to the chemical similarities among Ca, Sr and the rare-earth elements, fluorite (CaF 2), a accessory mineral that occurs in ore deposits, igneous, hydrothermal and metamorphic rocks, can be used to monitor genetic processes in these settings. Using a quantitative, low blank, H 2SO 4-based dissolution technique, we analysed fluorite from the East Kemptville tin mine, Nova Scotia, Canada. An exceptionally wide variation in initial 87Sr/ 86Sr ratio (0.71342 - 0.77495), Sr (30 - 1370 ppm) and Rb (1 - 13 ppm) contents resulted, probably due to fluid interaction after ore formation.
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