====== Grt-Cpx: Wells, 1979 ======
 
=== Details ===
This sensor from [[:about_tpf|TPF]] collection
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=== Source ===
source("utilities_tpf.r");
sensors.t.grt_cpx_wells_1979 <- function(Grt, Cpx, P, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);
    X <- Grt$Mg_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    Y <- (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu) / Cpx$Mg_pfu;
    T <- (24440 + 0.06524 * (P * 1000 - 1)) / (13.41 - 3 * 1.9872 * log(X * Y)) - 273.15;
    warning(" ACCURACY +/-40 C");
    return(data.frame(Name=paste0(Cpx$Name,"-", Grt$Name),P=P,T_calc=T));
}
sensors.t.grt_cpx_wells_1979.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Cpx");
    ars$ranges <- c("P");
    return(ars);
}
#sensors.t.grt_cpx_wells_1979.test <- function(){
#
#}
{{tag> tpf Cpx Grt }}