Glazner and Bartley (2006) cite and interpret five lines of evidence to indicate that magmatic stoping is unlikely to be a volumetrically significant process during pluton emplacement. Because of the iconoclastic tone of the paper, it is useful to examine each line of evidence cited by Glazner and Bartley and to test their conclusions against previous work. Although we appreciate the alternative hypotheses that Glazner and Bartley (2006) present, we argue that two of the five lines of evidence are model-driven and not consistent with natural observations, and that the remaining lines of evidence are either not supported by the...

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