Grt-Cpx: Ai, 1994

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source("utilities_tpf.r");
 
sensors.t.grt_cpx_ai_1994 <- function(Grt, Cpx, P, ...){
    Grt <- tpf.recalc_minaral("GRT",Grt);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);
 
    XCa <- Grt$Ca_pfu / (Grt$Fe_p2_pfu + Grt$Mn_pfu + Grt$Mg_pfu + Grt$Ca_pfu);
    XMg <- Grt$Mg_pfu / (Grt$Fe_p2_pfu + Grt$Mg_pfu);
    XGrt <- Grt$Fe_p2_pfu / Grt$Mg_pfu;
    XCpx <- Cpx$Fe_p2_pfu / Cpx$Mg_pfu;
    T <- ( - 1629 * XCa^2 + 3648.55 * XCa - 6.59 * 100 * XMg + 1987.98 + 17.66 * P) /      (Ln(XGrt / XCpx) + 1.076) - 273;
    return(data.frame(Name=paste0(Cpx$Name,"-", Grt$Name),P=P,T_calc=T));
}
 
sensors.t.grt_cpx_ai_1994.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Cpx");
    ars$ranges <- c("P");
    return(ars);
}
 
#sensors.t.grt_cpx_ai_1994.test <- function(){
#
#}