Cpx-Opx: Perchuk, 1977*

<use:sensors.t.cpx_opx_perchuk_1977*> <test:sensors.t.cpx_opx_perchuk_1977*>

source("utilities_tpf.r");

sensors.t.cpx_opx_perchuk_1977* <- function(Cpx, Opx, ...){
    Opx <- tpf.recalc_minaral("OPX",Opx);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);

    X <- Opx$Mg_pfu / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu + Opx$Mn_pfu);
    Y <- Cpx$Mg_pfu / (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Mg_pfu + Cpx$Mn_pfu);
    N <- Opx$FeO_wtp;
    M <- Cpx$FeO_wtp;
    Z <- 0.5 * (X + Y);
    if (Z>0.68) {
    T <- (1000 / (0.4305 - 0.1651 * log(M / N) + 1.1072 * Z - 1.0525 * Z^2 -        0.0304 * log(M / N) * Z^2)) - 273;
    }
    if (Z<0.68) {
    warning(" IS NOT TO BE USED FOR 0.5*[MG/(MG+FF+MN)OPX+MG/(MG+FE+MN)CPX] <0.68");
    }
    return(data.frame(Name=paste0(Cpx$Name,"-", Opx$Name),T_calc=T));
}

sensors.t.cpx_opx_perchuk_1977*.args <- function(){
    ars <- list();
    ars$minerals <- c("Cpx", "Opx");
    ars$ranges <- c();
    return(ars);
}

#sensors.t.cpx_opx_perchuk_1977*.test <- function(){
#
#}