C1 Chondrite, Sun, McDonough, 1989 + Oceanic, Sun, McDonough, 1989

C1 Chondrite + E-MORB, N-MORB, OIB

Использовать Проверить

require('ggplot2');
 
cmp <- read.csv("constants_oceanic_basalts_compositions.csv", sep=";", stringsAsFactors=F);
ocean <- read.csv("constants_oceanic_basalts_compositions.csv", sep=";", stringsAsFactors=F);
 
spdgrams.lan_c1_chondrite_sun_wm_sun <- function(ppm_data, el_order = NULL)
{
 
ns <- el_order;
 
if (is.null(el_order)) {      
    ns <- c('La','Ce','Pr','Nd','Sm','Eu','Gd','Tb','Dy','Ho','Er','Tm','Yb','Lu');
}
 
pmsc <- c();
 
for (n in ns)
  pmsc <- c(pmsc, subset(cmp, element == n)$c1_chondrite);
 
nmorb <- c();
emorb <- c();
oib <- c();
 
for (n in ns) {
  if(n %in% ocean$element)
  {
    nmorb <- c(nmorb, subset(ocean, element == n)$N_MORB);
    emorb <- c(emorb, subset(ocean, element == n)$E_MORB);
    oib <- c(oib, subset(ocean, element == n)$OIB);
  }
  else
  {
    nmorb <- c(nmorb,0.0);
    emorb <- c(emorb,0.0);
    oib <- c(oib,0.0);
  }
}
 
cr <- data.frame(rbind(nmorb,emorb,oib));
 
names(cr) <- c(paste0(ns,'_ppm'));
 
print(cr);
 
ds <- selectNames(ppm_data,c(paste0(ns,'_ppm')));
 
print(ds);
 
ds <-rbind(ds,cr);
 
names(ds) <- ns;
 
print(ds);
 
ret <- c();
 
values <- cbind(c(ppm_data$Name, "N-MORB", "E-MORB", "OBI"), rowApply(`/`,ds,pmsc));
names(values)[1] <- 'Name';
 
print(values);
 
ret$values <- values;
ret$grades <- ns;
ret$labels <- c('REE', 'Sample/C1 Chondrite');
 
return(ret);
}
 
spdgrams.lan_c1_chondrite_sun_wm_sun.test <- function()
{
    spdgrams.lan_c1_chondrite_sun_wm_sun(data.frame(Name=c('Test'),Eu_ppm=c(34.5)));
}