Summary
Abstract We report results of 13 C/ 12 C, 18 O/ 16 O, and 13 C 18 O “clumped” isotope analyses from a series of calcite precipitation experiments from aqueous solutions under laboratory conditions. Chemo‐stat precipitation experiments were performed to synthetically form calcite from aqueous solution onto 43 Ca‐labeled calcite seed crystals. Formation rate was controlled during the experiments to investigate the effect of precipitation rate and temperature on 13 C 18 O bonding in calcite, where rates ranged from 10 −6.88 to 10 −8.20 mol m −2 s −1 at three temperatures (10, 20, and 30°C). No relation was observed between precipitation rate and 13 C 18 O bonding proportion over the range of precipitation rates used. The relation between Δ 47 and temperature produced was comparable to cali
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