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Cpx-Opx: Finnerty, Boyd, 1984
For Cpx-Opx. Only for garnet perifotites. Constraint for CPX: 2*(CA/(CA+MG)) < 1.
Details
This sensor from TPF collection
Article | Finnerty, A. A., Boyd, F. R. Evaluation of thermobarometers for garnet peridotites, 1984 [ref] (clarification required) |
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Collibration | |
Precision | |
Ranges | |
Renew sensors |
заголовоккраткое описаниестатьяссылка- карточка
- подробное описание
код- тест
Source
- source("utilities_tpf.r");
- sensors.t.cpx_opx_finnerty_boyd_1984 <- function(Cpx, P, usePFU = FALSE, ...){
- if(!usePFU) Cpx <- tpf.recalc_minaral("CPX",Cpx);
- X <- Cpx$Ca_pfu / (Cpx$Ca_pfu + Cpx$Mg_pfu);
- T <- rep(NaN, nrow(Cpx));
- if (2 * X<1) {
- T <- exp((log(1 - 2 * X) + 5.37 * log(1941 + 5.04 * P)) / 5.37) - 273.15;
- }
- return(data.frame(Name=paste0(Cpx$Name),P=P,T_calc=T));
- }
- sensors.t.cpx_opx_finnerty_boyd_1984.args <- function(){
- ars <- list();
- ars$minerals <- c("Cpx");
- ars$ranges <- c("P");
- return(ars);
- }
- sensors.t.cpx_opx_finnerty_boyd_1984.test <- function(){
- sensors.t.cpx_opx_finnerty_boyd_1984(data.frame(Name=c('Test'), SiO2_wtp=c(50), CaO_wtp=c(10), MgO_wtp=c(20)));
- }