Source: A consistent system of geothermometers for metamorphic complexes (Fonarev V.I. et al., 1991)
Table 1. A consistent system of geothermometers for metamorphic complexes (Fonarev V.I. et al., 1991). =============================================================== Types Versions of geothermometers Recommended temperature range, comments =============================================================== Bertrand, Mercier (1985) 900-1200oC Opx-Cpx Davidson, Lindsley (1985) The estimates are close, Fonarev, Graphchikov (1991) any version can be used - - - - - - - - - - - - - - - - - - - - - - - - - - - - Fonarev, Graphchikov (1991) <900oC _______________________________________________________________ Grt-Cpx Powell (1985) 600-1300oC _______________________________________________________________ Grt-Opx Perchuk, Lavrent'eva (1989) 600-1300oC with Fonarev et al. (1991) correction _______________________________________________________________ Crd-Grt Holdaway, Lee (1977) 600-1100oC Lavrent'eva, Perchuk (1981) Estimates are close, any Ellis (1986) version or the averaged values can be used _______________________________________________________________ Holdaway, Lee (1977) >550oC. The averaged Perchuk, Lavrent'eva (1983) values are better to be used. At 550<T<700oC any version can be used. - - - - - - - - - - - - - - - - - - - - - - - - - - - - Holdaway, Lee (1977) <550oC, CaO in Grt <2-4 Bt-Grt Hodges, Spear (1982) wt.%. The estimates are Perchuk, Lavrent'eva (1983) close, any version or Hoinkes (1986) the averaged values can be used. - - - - - - - - - - - - - - - - - - - - - - - - - - - - Hodges, Spear (1982) <550oC, CaO in Grt >2-4 Pigage, Greenwood (1982) wt.%. The averaged Hoinkes (1986) values are better to be Perchuk (1986) used. ===============================================================