A-type granite

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The 186 Ma Dashibalbar alkaline granitoid pluton in the north-Gobi Rift of central Mongolia: Evidence for melting of Neoproterozoic basement above a plume
J. Dostal, J. V. Owen, O. Gerel, J. D. Keppie, R. Corney, J. G. Shellnutt and A. Macrae

American Journal of Science February 2014, 314 (2) 613-648; DOI: https://doi.org/10.2475/02.2014.06