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Calcarenite slab weight loss (ΔWt) versus sonication time. One set of biomineralized samples (cultured in inoculated M-3 or M-3P media for 30 days) was sonicated, and the other was not (i.e., was only immersed in deionized water). Two control sets were tested (i.e., calcarenite slabs not subjected to biomineralization): calcarenite slabs (i) not sonicated (control nonsonicated) and (ii) sonicated (control sonicated). Error bars, standard deviations.
