ONLY FOR LHERZOLITES, EQ(9)
This sensor from TPF collection
Article | Brey, G. P., Kohler, T. Geothermobarometry in Four-phase Lherzolites II. New Thermobarometers, and Practical Assessment of Existing Thermobarometers, 1990 [ref] |
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Callibration | |
Precision | ±15 °C |
Ranges | 2-60 kbar, 900-1400 °C |
Renew sensors |
source("utilities_tpf.r"); sensors.t.opx_cpx_brey_kohler_1990_c <- function(Opx, Cpx, P, usePFU=FALSE, ...){ row_names = paste0(Opx$Name,"-",Cpx$Name); if(!usePFU) { Opx <- tpf.recalc_minaral("OPX",Opx); Cpx <- tpf.recalc_minaral("CPX",Cpx); } XFO <- (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu) / (Opx$Fe_p2_pfu + Opx$Fe_p3_pfu + Opx$Mg_pfu); XFC <- (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu) / (Cpx$Fe_p2_pfu + Cpx$Fe_p3_pfu + Cpx$Mg_pfu); CO <- Opx$Ca_pfu / (1 - Opx$Na_pfu); CC <- Cpx$Ca_pfu / (1 - Cpx$Na_pfu); KD <- (1 - CC) / (1 - CO); T <- (23664 + (24.9 + 126.3 * XFC) * P) / (13.38 + (log(KD))^2 + 11.59 * XFO) - 273.15; return(data.frame(Name=row_names, P=P, T_calc=T)); } sensors.t.opx_cpx_brey_kohler_1990_c.args <- function(){ ars <- list(); ars$minerals <- c("Opx", "Cpx"); ars$ranges <- c("P"); return(ars); } #sensors.t.opx_cpx_brey_kohler_1990_c.test <- function(){ # #}