This DEVORA field note summarises the journal article: Asthenospheric Control of Melting Processes in a Monogenetic Basaltic System: a Case Study of the Auckland Volcanic Field, New Zealand. By McGee, L. E., Smith, I. E. M., Millet, M., Handley, H. K., & Lindsay, J. M. (2013). Journal of Petrology, v. 54 (10): 2125 - 2153. doi: 10.1093/petrology/egt043.