Grt-Opx: Harley, Green, 1982

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source("utilities_tpf.r");

sensors.p.grt_opx_harley_green_1982 <- function(Grt, Opx, Temp, ...){
T <- Temp;
    Opx <- tpf.recalc_minaral("OPX",Opx);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    X <- (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu) / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu);
    Y <- (Opx$Al_c4_pfu + Opx$Al_c6_pfu) / 2;
    C <- Grt$Ca_pfu / (Grt$Ca_pfu + Grt$Mg_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    F <- (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu) / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Ca_pfu + Grt$Mg_pfu);
    K <- Y * (1 - Y) / (1 - C) / (1 - C) / (1 - C);
    D <-  - 183.3 - 178.98 * Y * (1 - Y);
    P <- ((1.9872 * log(K) - 2.93) * (T + 273) + 5650 + 5157 * (1 - Y) * (1 - 2 * Y) * X      - 6300 * (C * F + C * C)) / D;
    return(data.frame(Name=paste0(Grt$Name,"-", Opx$Name),Temp=Temp,P_calc=P));
}

sensors.p.grt_opx_harley_green_1982.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Opx");
    ars$ranges <- c("Temp");
    return(ars);
}

#sensors.p.grt_opx_harley_green_1982.test <- function(){
#
#}