This sensor from TPF collection
| Article | |
|---|---|
| Collibration | |
| Precision | |
| Ranges | |
| Renew sensors | 
source("utilities_tpf.r");
sensors.t.bt_crd_grt_kurepin_1991_a <- function(Bt, Crd, Grt, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    X <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mg_pfu);
    T <- 1219 - 708 * X;
    warning(" GRT COMPOSITION IS INVOLVED IN CALCULATION");
    return(data.frame(Name=paste0(Grt$Name),T_calc=T));
}
sensors.t.bt_crd_grt_kurepin_1991_a.args <- function(){
    ars <- list();
    ars$minerals <- c("Bt", "Crd", "Grt");
    ars$ranges <- c();
    return(ars);
}
#sensors.t.bt_crd_grt_kurepin_1991_a.test <- function(){
#
#}