ONLY FOR LHERZOLITES AND HARZBURGITES, EQ.5 (discarding the questionable data points below/at 5 kbar)
This sensor from TPF collection
| Article | Mercier, Jean -Claude C., Benoit, Vincent, Girardeau, Jacques Equilibrium state of diopside-bearing harzburgites from ophiolites: Geobarometric and geodynamic implications, 1984 [ref] |
|---|---|
| Callibration | 51 reversed experimental data in the CMS system, plus additional data in the CMAS system and for some selected natural samples |
| Precision | |
| Ranges | 5-30 kbar, 800-1400 °C |
| Renew sensors |
source("utilities_tpf.r");
sensors.p.opx_cpx_mercier_1984_b <- function(Opx, Cpx, usePFU=FALSE, ...){
row_names = paste0(Cpx$Name,"-", Opx$Name);
if(!usePFU) {
Opx <- tpf.recalc_minaral("OPX",Opx);
Cpx <- tpf.recalc_minaral("CPX",Cpx);
}
CO <- Opx$Ca_pfu;
NO <- Opx$Na_pfu;
CC <- Cpx$Ca_pfu;
NC <- Cpx$Na_pfu;
CAOP <- CO / ((1 - NO) * (1 - NC));
CACP <- CC / ((1 - NO) * (1 - NC));
KF <- CAOP / (1 - CACP);
P <- 10.73 / (KF + 0.028) - 16.5;
return(data.frame(Name=row_names,P_calc=P));
}
sensors.p.opx_cpx_mercier_1984_b.args <- function(){
ars <- list();
ars$minerals <- c("Opx", "Cpx");
ars$ranges <- c();
return(ars);
}
#sensors.p.opx_cpx_mercier_1984_b.test <- function(){
#
#}