Cpx-Opx: Slavinskiy, 1983 <A>

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source("utilities_tpf.r");

sensors.t.cpx_opx_slavinskiy_1983_a <- function(Cpx, Opx, ...){
    Opx <- tpf.recalc_minaral("OPX",Opx);
    Cpx <- tpf.recalc_minaral("CPX",Cpx);

    X <- Cpx$Mg_pfu / (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Mg_pfu + Cpx$Ca_pfu);
    Y <- Cpx$Ca_pfu / (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Mg_pfu + Cpx$Ca_pfu);
    Z <- (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu) / (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Mg_pfu + Cpx$Ca_pfu);
    K <- Opx$Mg_pfu / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu + Opx$Ca_pfu);
    L <- Opx$Ca_pfu / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu + Opx$Ca_pfu);
    M <- (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu) / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu + Opx$Ca_pfu);
    U <- 23.73 * Y * (Y - 2 * X) - 50.61 * L * (L - 2 * K) - 13.60 * Y * (Y - 2 * Z);
    V <- 39.50 * L * (L - 2 * M) + 36.40 * Y * (X - Z) - 68.20 * L * (K - M);
    N <-  - 0.0083143 * log((K / X) * (Z / M));
    T <- (11.36 + U + V) / (N + 0.00698) - 273;
    return(data.frame(Name=paste0(Cpx$Name,"-", Opx$Name),T_calc=T));
}

sensors.t.cpx_opx_slavinskiy_1983_a.args <- function(){
    ars <- list();
    ars$minerals <- c("Cpx", "Opx");
    ars$ranges <- c();
    return(ars);
}

#sensors.t.cpx_opx_slavinskiy_1983_a.test <- function(){
#
#}