Can we this quote? Peter Morrison Vitousek, Nutrient Cycling and Limitation: Hawai'i as a Model System, ISBN 069111580X, page 12:This rejuvenation-stage or post-erosional volcanism produces lava even more alkalic than late-stage volcanism.
containing a relatively high proportion of alkali; alkaline
Heceleme
containing a relatively high pro·por·tion of alkali; al·ka·line