Fig. 2. Megacrysts of K-feldspar in diorite (black, right half) adjacent to the more felsic megacrystal granite (left half) of the Waldoboro granite complex (same locality as in Fig. 1abc). In the darker, less-replaced rock, megacrysts range from 1 to 2 cm long, whereas in the granite, megacrysts range from 1 to 4 cm long.