Fig. 58.-Nibble replacement occurred three times at the boundary between two K-feldspars (K₁, K₂)

Nibble albitization took place first, followed by the second nibble K-feldspathization that replaced the swapped albite. Finally, the third slight nibble albitization replaced the K-feldspar. Huangshatang medium-fine grained porphyritic two-mica granite, forming at third period of Indosinian cycle, in Zhuguangshan batholith, Guangdong Province.