Grt-Bt: Ganguly, Saxena, 1984

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source("utilities_tpf.r");

sensors.t.grt_bt_ganguly_saxena_1984 <- function(Grt, Bt, P, ...){
    Bt <- tpf.recalc_minaral("BT",Bt);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    Y <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / (Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    X <- Grt$Mg_pfu / (Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    Z <- Grt$Ca_pfu / (Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    F <- Grt$Mn_pfu / (Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    M <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / Grt$Mg_pfu;
    N <- (Bt$Fe_p2_pfu + Bt$Fe_p3_pfu) / Bt$Mg_pfu;
    K <- (2500 * Y / (X + Y) + 200 * X / (Y + X)) * (Y - X) + 3000 * (Z + F);
    T <- (1175 + 9.45 * P + 1 / 1.987 * K) / (log(M / N) + 0.782) - 273;
    return(data.frame(Name=paste0(Grt$Name,"-", Bt$Name),P=P,T_calc=T));
}

sensors.t.grt_bt_ganguly_saxena_1984.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Bt");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_bt_ganguly_saxena_1984.test <- function(){
#
#}