Fig. 11. K-feldspar (black) penetrating large albite twinned plagioclase (white; top left, top, and lower right) in irregular veins connecting to microfractures in the plagioclase. Albite twinning in lower right parallels twinning at top and upper left. Biotite (brown). Dicks Lake granodiorite, 0.35 km east of Dicks Lake. Thin section 490 from Loomis collection.