Grt-Hbl: Graham, Powell, 1984

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source("utilities_tpf.r");

sensors.t.grt_hbl_graham_powell_1984 <- function(Grt, Hbl, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    Hbl <- tpf.recalc_minaral("HBL",Hbl);

    X <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mg_pfu);
    Y <- Grt$Mg_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mg_pfu);
    Z <- Grt$Ca_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mg_pfu + Grt$Ca_pfu + Mn);
    M <- Grt$Mn_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mg_pfu + Grt$Ca_pfu + Grt$Mn_pfu);
    F <- (Hbl$Fe_p2_pfu + Hbl$Fe_p3_pfu) / (Hbl$Fe_p2_pfu + Hbl$Fe_p3_pfu + Hbl$Mg_pfu);
    H <- Hbl$Mg_pfu / (Hbl$Fe_p2_pfu + Hbl$Fe_p3_pfu + Hbl$Mg_pfu);
    if (M<0.1) {
    TT <- (2880 + 3280 * Z) / (log(X * H / Y / F) + 2.426) - 273.15;
    if (TT<850.000) {
    T <- TT;
    }
    if (TT>850) {
    warning(" CANNOT BE USED FOR T>850 (C)");
    }
    }
    if (M>0.1) {
    warning(" CANNOT BE USED FOR MN/(FE+MG+CA+MN)>0.1 IN GRT");
    }
    return(data.frame(Name=paste0(Hbl$Name,"-", Grt$Name),T_calc=T));
}

sensors.t.grt_hbl_graham_powell_1984.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Hbl");
    ars$ranges <- c();
    return(ars);
}

#sensors.t.grt_hbl_graham_powell_1984.test <- function(){
#
#}