Grt-Cpx: Fonarev, 1994 <A>

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source("utilities_tpf.r");

sensors.t.grt_cpx_fonarev_1994_a <- function(Grt, Cpx, P, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);

    X <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / Grt$Mg_pfu;
    Y <- (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu) / Cpx$Mg_pfu;
    Z <- Grt$Ca_pfu / (Grt$Ca_pfu + Grt$Mg_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    M <- Grt$MnO_wtp;
    if (M<5.0) {
    T <- (2790 + 10 * P + 3140 * Z) / (1.735 + log(X / Y)) - 273.15;
    }
    if (M>5.0) {
    warning("  CANNOT BE USED FOR MNO IN GRT >5 WT.");
    }
    return(data.frame(Name=paste0(Cpx$Name,"-", Grt$Name),P=P,T_calc=T));
}

sensors.t.grt_cpx_fonarev_1994_a.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Cpx");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_cpx_fonarev_1994_a.test <- function(){
#
#}