====== Grt-Opx: Powell, 1978 ======
 
=== Details ===

<WRAP center round info 60%>
This sensor from [[:about_tpf|TPF]] collection
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^ Article |  |
^ Collibration |  |
^ Precision |  |
^ Ranges |  |
^ Renew sensors |  |

<use:sensors.t.grt_opx_powell_1978>
<test:sensors.t.grt_opx_powell_1978>

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  * <del>заголовок</del>
  * краткое описание
  * статья
  * ссылка
  * карточка
  * подробное описание
  * <del>код</del>
  * тест
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=== Source ===
<Code linenums lang-r>
source("utilities_tpf.r");

sensors.t.grt_opx_powell_1978 <- function(Grt, Opx, P, ...){
    Opx <- tpf.recalc_minaral("OPX",Opx);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    C <- Opx$Ca_pfu;
    M <- (1 - Opx$Ca_pfu - Opx$Na_pfu) / (1 + (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu) / Opx$Mg_pfu);
    N <- 1 - Opx$Ca_pfu - Opx$Na_pfu;
    X <- Grt$Mg_pfu / 3;
    Y <- Grt$Ca_pfu / 3;
    F <- N - M;
    K <- X / Y * C / M;
    T <- (7500 + 63 * P - (2870 + 50 * P) * (X - Y) - 1900 * F) / (4.58 - log(K) - 2.16 * (X - Y)) - 273;
    return(data.frame(Name=paste0(Grt$Name,"-", Opx$Name),P=P,T_calc=T));
}

sensors.t.grt_opx_powell_1978.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Opx");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_opx_powell_1978.test <- function(){
#
#}
</Code>

{{tag> tpf Grt Opx }}