Grt-Cpx: Ganguly, 1979

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source("utilities_tpf.r");

sensors.t.grt_cpx_ganguly_1979 <- function(Grt, Cpx, P, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);

    X <- Grt$Fe_p2_pfu / Grt$Mg_pfu;
    M <- Grt$Ca_pfu / (Grt$Fe_p2_pfu + Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu);
    N <- Grt$Mn_pfu / (Grt$Fe_p2_pfu + Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu);
    F <- Cpx$Fe_p2_pfu / Cpx$Mg_pfu;
    R <- Cpx$Na2O_wtp;
    if (R<3) {
    TT <- ((4100 + 11.07 * P + 1586 * M + 1308 * N) / (log(X / F) + 2.4)) - 273.15;
    TTT <- ((4801 + 11.07 * P + 1586 * M + 1308 * N) / (log(X / F) + 2.93)) - 273.15;
    if (TT>1060) {
    T <- TT;
    }
    if (TT<1060) {
    T <- TTT;
    }
    }
    if (R>3) {
    warning(" IS NOT TO BE USED FOR NA2O IN CPX >3 W.");
    }
    return(data.frame(Name=paste0(Cpx$Name,"-", Grt$Name),P=P,T_calc=T));
}

sensors.t.grt_cpx_ganguly_1979.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Cpx");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_cpx_ganguly_1979.test <- function(){
#
#}