Grt-Bt: Pigage, Greenwood, 1982

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source("utilities_tpf.r");

sensors.t.grt_bt_pigage_greenwood_1982 <- function(Grt, Bt, P, ...){
    Bt <- tpf.recalc_minaral("BT",Bt);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    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);
    N <- Grt$Mg_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    M <- Bt$Mg_pfu / (Bt$Fe_p2_pfu + Bt$Fe_p3_pfu);
    T <- ((1586 * Z + 1308 * F + 2089 + 0.00956 * P * 1000) / (0.78198 - log(N / M))) - 273;
    return(data.frame(Name=paste0(Grt$Name,"-", Bt$Name),P=P,T_calc=T));
}

sensors.t.grt_bt_pigage_greenwood_1982.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Bt");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_bt_pigage_greenwood_1982.test <- function(){
#
#}