Ol-Fe-Qtz: Fonarev, 1987

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source("utilities_tpf.r");

sensors.f.ol_fe_qtz_fonarev_1987 <- function(Ol, Fe, Qtz, Temp, P, ...){
T <- Temp;
    Ol <- tpf.recalc_minaral("OL",Ol);

    X <- (Ol$Fe_p2_pfu + Ol$Fe_p3_pfu) / (Ol$Fe_p2_pfu + Ol$Fe_p3_pfu + Ol$Mg_pfu + Ol$Ca_pfu + Ol$Mn_pfu + Ol$Al_c6_pfu);
    Y <-  - 32.544 + 0.038462 * (T + 273.15);
    if (P>Y) {
    TT <- 1000 / (T + 273.15);
    FO2 <- 8.7391 + 2 * log(X) - 0.33 * ((1 - X)^2 + 91.7244) * TT +          1.06 * ((1 - X)^2) * TT^2 - 0.4 * P * TT / 1000;
    LGFO2 <- FO2;
    }
    if (P<Y) {
    TT <- 1000 / (T + 273.15);
    LgFO2 <- 8.8467 + 2 * log(X) - 0.33 * ((1 - X)^2 + 92.0004) * TT +          1.06 * ((1 - X)^2) * TT^2 - 3.2 * P * TT / 1000;
    }
    return(data.frame(Name=paste0(Ol$Name),Temp=Temp,P=P,LGFO2_calc=LGFO2));
}

sensors.f.ol_fe_qtz_fonarev_1987.args <- function(){
    ars <- list();
    ars$minerals <- c("Ol", "Fe", "Qtz");
    ars$ranges <- c("Temp", "P");
    return(ars);
}

#sensors.f.ol_fe_qtz_fonarev_1987.test <- function(){
#
#}