Grt-Bt: Holdaway, 1977

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source("utilities_tpf.r");

sensors.t.grt_bt_holdaway_1977 <- function(Grt, Bt, P, ...){
    Bt <- tpf.recalc_minaral("BT",Bt);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    X <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / Grt$Mg_pfu;
    Y <- (Bt$Fe_p2_pfu + Bt$Fe_p3_pfu) / Bt$Mg_pfu;
    T <- ((6150 + 0.0246 * P * 1000) / (3.93 - 1.98721 * log(Y / X))) - 273;
    return(data.frame(Name=paste0(Grt$Name,"-", Bt$Name),P=P,T_calc=T));
}

sensors.t.grt_bt_holdaway_1977.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Bt");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_bt_holdaway_1977.test <- function(){
#
#}