Mantle + E-MORB, N-MORB, OIB
| Reference | Sun, S-S, McDonough, WF Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, 1989 [ref] |
| Data | bulk |
| Input | ppm |
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.ree_primitive_mantle_wm_sun <- function(ppm_data, el_order = NULL)
{
ns <- el_order;
if (is.null(el_order)) {
ns <- c('Cs', 'Rb', 'Ba', 'Th', 'U', 'Nb', 'Ta', 'La', 'Ce', 'Pb', 'Pr',
'Sr', 'Nd', 'Zr', 'Hf', 'Sm', 'Eu', 'Gd', 'Tb', 'Dy', 'Y', 'Ho',
'Er', 'Tm', 'Yb', 'Lu');
}
pmsc <- c();
for (n in ns)
pmsc <- c(pmsc, subset(cmp, element == n)$primitive_mantle);
nmorb <- c();
emorb <- c();
oib <- c();
for (n in ns) {
if(n %in% ocean$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", "OIB"), rowApply(`/`,ds,pmsc));
names(values)[1] <- 'Name';
print(values);
ret$values <- values;
ret$grades <- ns;
ret$labels <- c('REE', 'Sample/Primitive Mantle');
return(ret);
}
spdgrams.ree_primitive_mantle_wm_sun.test <- function()
{
spdgrams.ree_primitive_mantle_wm_sun(data.frame(Name=c('Test'),Eu_ppm=c(34.5)));
}