A review of feldspar alteration and its geological ...
· 1. Introduction. Feldspars, which form the mineral series KAlSi 3 O 8 (Kfeldspar) – NaAlSi 3 O 8 (albite) – CaAl 2 Si 2 O 8 (anorthite), constitute nearly one half of the earth's crust (Gout et al., 1997; Chardon et al., 2006; Crundwell, 2015a).Their alteration, which includes the physicochemical processes of feldspar dissolution, transfer of dissolved solutes, and concomitant secondary ...