Fig. 21

P–T diagram for laumontite and reaction products in the ACF-system [after Liou (1971a, b, c, d), Thompson (1970, 1971), and Cho et al. (1987)]. Abbreviations according to Kretz (1983): hul (heulandite), stb (stilbite), anl (analcime), qtz (quartz), lmt (laumontite), ab (albite), lws (lawsonite, cal (calcite), chl (chlorite), prh (prehnite), pmp (pumpellyite), wrk (wairakite). The postulated P–T-evolution for the Rotondo granite in the Bedretto tunnel is shown. Numbers refer to the hypothetical P–T model in chapter 6.3.4