Cpx-Cum: Fonarev, 1987

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source("utilities_tpf.r");
 
sensors.t.cpx_cum_fonarev_1987 <- function(Cpx, Cum, P, ...){
    Cum <- tpf.recalc_minaral("CUM",Cum);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);
 
    X <- (Cum$Fe_p2_pfu + Cum$Fe_p3_pfu) / (Cum$Mg_pfu + Cum$Fe_p2_pfu + Cum$Fe_p3_pfu + Cum$Ca_pfu);
    Y <- (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu) / (Cpx$Mg_pfu + Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Ca_pfu);
    Z <- Cpx$Al2O3_wtp + Cpx$Na2O_wtp + Cpx$TiO2_wtp + Cpx$MnO_wtp;
    if (Y>0.05) {
    if (Y<0.55) {
    if (Z<3) {
    if (P<10) {
    A <- 0.780 * X - 7.357 * X^2 + 49.074 * X^3 - 53.494 * X^4 - Y * (1.00985)^P / 1.07105;
    B <-  - 0.520 * X + 26.482 * X^2 - 126.862 * X^3 + 126.661 * X^4;
    G <-  - 18.319 * X^2 + 75.816 * X^3 - 70.995 * X^4;
    T <- (2 * G * 1000 / ( - B - sqrt(B^2 - 4 * A * G))) - 273.15;
    if (T<820) {
    if (T>500) {
    if (T>820) {
    warning(" IS NOT TO BE USED FOR T>820 C");
    }
    if (T<500) {
    warning(" IS NOT TO BE USED FOR T<500 C");
    }
    }
    if (P>10) {
    warning(" IS NOT TO BE USED FOR P>10 KBAR");
    }
    }
    if (Z>3) {
    warning(" IS NOT TO BE USED FOR (AL2O3+TIO2+MNO+NA2O) IN CPX >3 W.");
    }
    }
    if (Y>0.55) {
    warning(" IS NOT TO BE USED FOR FE/(FE+MG+CA) IN CPX >0.55");
    }
    }
    if (Y<0.05) {
    warning(" IS NOT TO BE USED FOR FE/(FE+MG+CA) IN CPX <0.55");
    }}
    return(data.frame(Name=paste0(Cpx$Name,"-", Cum$Name),P=P,T_calc=T));
}
 
sensors.t.cpx_cum_fonarev_1987.args <- function(){
    ars <- list();
    ars$minerals <- c("Cpx", "Cum");
    ars$ranges <- c("P");
    return(ars);
}
 
#sensors.t.cpx_cum_fonarev_1987.test <- function(){
#
#}