Hydrated Spinel Websterite Xenoliths From Moses Rock Diatreme, Navajo Volcanic Field: Metasomatism in the Mantle Wedge of the Colorado Plateau Above the De-watering Farallon Plate

Daniel J Schulze, University of Toronto, Earth Sciences, Toronto, ON, Canada, Richard Chow, University of Toronto, Toronto, ON, Canada and Herwart Herb Helmstaedt, Queen's University, Geological Sciences and Geological Engineering, Kingston, ON, Canada