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Variability of Water Content in MGVF Melt Inclusions: Insights from Jorullo and Hoya Alvarez

This study by Johnson et al. (2009) examines the variable water content within melt inclusions from the Michoacán-Guanajuato Volcanic Field (MGVF). Analysis reveals that Jorullo melt inclusions possess the highest water content, ranging from 5-6 wt%, while Hoya Alvarez samples show lower levels at approximately 1 wt%. The findings suggest a difference in mantle source characteristics, with a variably depleted mantle source contributing to Jorullo, contrasted by a more fertile mantle source within the back-arc region of Hoya Alvarez.

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Variability of Water Content in MGVF Melt Inclusions: Insights from Jorullo and Hoya Alvarez

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  1. Johnson et al. 2009 Variable water within the MGVF (1-6 wt%) Jorullo melt inclusions show highest water at ~5-6 wt%, Hoya Alvarez the lowest at ~1 wt% Johnson et al. suggest variably depleted mantle sourcealong volcanic front (Jorullo) and more fertile source in back-arc (Hoya Alvarez)

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