Это старая версия документа!
Primitive mantle, Sun McDonough, 1989 + Crust, Taylor, McLennan, 1985
Mantle + Curst (3 ex)
Details
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 |
- заголовок
- краткое описание
- статья
- ссылка
- карточка
- подробное описание
- код
- тест
Source
- require('ggplot2');
- cmp <- read.csv("constants_oceanic_basalts_compositions.csv", sep=";", stringsAsFactors=F);
- crust <- read.csv("constants_continental_curst_taylor1985.csv", sep=",", stringsAsFactors=F);
- spdgrams.ree_pm_sun_wm_taylor <- 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)$primitive_mantle);
- lcrust <- c();
- mcrust <- c();
- ucrust <- c();
- for (n in ns) {
- if(n %in% crust$Element)
- {
- lcrust <- c(lcrust, subset(crust, Element == n)$lower_crust);
- mcrust <- c(mcrust, subset(crust, Element == n)$middle_crust);
- ucrust <- c(ucrust, subset(crust, Element == n)$upper_crust);
- }
- else
- {
- lcrust <- c(lcrust,0.0);
- mcrust <- c(mcrust,0.0);
- ucrust <- c(ucrust,0.0);
- }
- }
- cr <- data.frame(rbind(lcrust,mcrust,ucrust));
- names(cr) <- c(paste0(ns,'_ppm'));
- print(cr);
- ds <- selectNames(ppm_data,c(paste0(ns,'_ppm')));
- print(ds);
- ds <-rbind(ds,cr);
- names(ds) <- ns;
- print(ds);
- ret <- c();
- values <- cbind(c(ppm_data$Name, "Lower Crust", "Middle Crust", "Upper Crust"), rowApply(`/`,ds,pmsc));
- names(values)[1] <- 'Name';
- print(values);
- ret$values <- values;
- ret$grades <- ns;
- ret$labels <- c('REE', 'Sample/Primetive Mantle');
- return(ret);
- }
- spdgrams.ree_pm_sun_wm_taylor.test <- function()
- {
- spdgrams.ree_pm_sun_wm_taylor(data.frame(Name=c('Test'),Eu_ppm=c(34.5)));
- }