Grt-Opx-Pl-Qtz: Eckert, 1991

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source("utilities_tpf.r");
 
sensors.p.grt_opx_pl_qtz_eckert_1991 <- function(Grt, Opx, Pl, Qtz, Temp, ...){
T <- Temp;
    Opx <- tpf.recalc_minaral("OPX",Opx);
    Pl <- tpf.recalc_minaral("PL",Pl);
    Grt <- tpf.recalc_minaral("GRT",Grt);
 
    A <- (1 - (Opx$Al_c4_pfu + Opx$Al_c6_pfu) / 2 - Opx$Ti_pfu - Opx$Cr_pfu - Opx$Fe_p3_pfu) * Opx$Mg_pfu;
    B <- (1 - Opx$Mn_pfu - Opx$Ca_pfu - Opx$Na_pfu) * Opx$Mg_pfu;
    C <- (1 - (Opx$Al_c4_pfu + Opx$Al_c6_pfu) / 2 - Opx$Ti_pfu - Opx$Cr_pfu - Opx$Fe_p3_pfu) * Opx$Fe_p2_pfu;
    D <- 1 - (Opx$Al_c4_pfu + Opx$Al_c6_pfu) / 2 - Opx$Ti_pfu - Opx$Cr_pfu - Opx$Fe_p3_pfu + 1 - Opx$Mn_pfu - Opx$Ca_pfu - Opx$Na_pfu;
    X <- Grt$Ca_pfu / (Grt$Ca_pfu + Grt$Mg_pfu + Grt$Fe_p3_pfu + Grt$Fe_p2_pfu + Grt$Mn_pfu);
    Y <- Grt$Mg_pfu / (Grt$Ca_pfu + Grt$Mg_pfu + Grt$Fe_p3_pfu + Grt$Fe_p2_pfu + Grt$Mn_pfu);
    F <- (Grt$Fe_p3_pfu + Grt$Fe_p2_pfu) / (Grt$Ca_pfu + Grt$Mg_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mn_pfu);
    Z <- Pl$Ca_pfu / (Pl$Ca_pfu + Pl$Na_pfu + Pl$K_pfu);
    G <- Pl$Na_pfu / (Pl$Ca_pfu + Pl$Na_pfu + Pl$K_pfu);
    TT <- T + 273.15;
    K <- exp((3300 - 1.5 * TT) * (Y^2 + Y * F) / (1.9872 * TT));
    L <- exp((3300 - 1.5 * TT) * (X^2 + X * F) / (1.9872 * TT));
    K <- X * K;
    L <- Y * L;
    A <- A * B / D / D;
    M <- exp(G^2 * (2025 + 2 * Z * (6746 - 2025)) / (1.9872 * TT));
    M <- M * Z * (1 + Z)^2 / 4;
    P <- 3.47 + 0.01307 * TT + 0.003504 * TT * log(K * L^2 / A / M);
    warning(" ACCURACY +-1.55 KBAR");
    return(data.frame(Name=paste0(Pl$Name,"-", Grt$Name,"-", Opx$Name),Temp=Temp,P_calc=P));
}
 
sensors.p.grt_opx_pl_qtz_eckert_1991.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Opx", "Pl", "Qtz");
    ars$ranges <- c("Temp");
    return(ars);
}
 
#sensors.p.grt_opx_pl_qtz_eckert_1991.test <- function(){
#
#}