Kfs-Pl: Whitney, Stormer, 1977

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source("utilities_tpf.r");
 
sensors.t.kfs_pl_whitney_stormer_1977 <- function(Kfs, Pl, P, ...){
    Pl <- tpf.recalc_minaral("PL",Pl);
    Kfs <- tpf.recalc_minaral("KFS",Kfs);
 
    X <- Kfs$K_pfufs$Na_pfu / (Kfs$K_pfufs$Ca_pfu + Kfs$K_pfufs$Na_pfu + Kfs$K_pfu);
    Y <- Pl$Na_pfu / (Pl$Ca_pfu + Pl$Na_pfu + Pl$K_pfu);
    T <- ((7973.1 - 16910.6 * X + 9901.9 * X^2 + (0.11 - 0.22 * X + 0.11 * X^2)      * 1000 * P) / ( - 1.9872 * log(X / Y) + 6.48 - 21.58 * X + 23.72 * X^2 - 8.62 * X^3)) - 273;
    warning(" ONLY FOR METAMORPHIC ROCKS AND SLOWLY CRYSTALLIZED PLUTONS");
    return(data.frame(Name=paste0(Pl$Name,"-", Kfs$Name),P=P,T_calc=T));
}
 
sensors.t.kfs_pl_whitney_stormer_1977.args <- function(){
    ars <- list();
    ars$minerals <- c("Kfs", "Pl");
    ars$ranges <- c("P");
    return(ars);
}
 
#sensors.t.kfs_pl_whitney_stormer_1977.test <- function(){
#
#}