bentonites: Isotopic and chemical compositions of bentonites
In ToolsForCoDa: Multivariate Tools for Compositional Data Analysis
bentonites R Documentation
Isotopic and chemical compositions of bentonites
Description
The data consists of 14 geological samples from the US with their major oxide
composition (SiO2, Al2O3, Fe2O3, MnO, MgO, CaO, K2O, Na2O and H2O+) and
delta Deuterium and delta-18-Oxysgen (dD,d18O).
Usage
data("bentonites")
Format
A data frame with 14 observations on the following 11 variables.
Sia numeric vector
Ala numeric vector
Fea numeric vector
Mna numeric vector
Mga numeric vector
Caa numeric vector
Ka numeric vector
Naa numeric vector
H20a numeric vector
dDa numeric vector
d18Oa numeric vector
Source
Cadrin, A.A.J (1995), Tables 1 and 2.
Reyment, R. A. and Savazzi, E. (1999), pp. 220-222.
References
Cadrin, A.A.J., Kyser, T.K., Caldwell, W.G.E. and Longstaffe,
F.J. (1995) Isotopic and chemical compositions of bentonites as
paleoenvironmental indicators of the Cretaceous Western Interior Seaway
Palaeogeography, Palaeoclimatology, Palaeoecology 119 pp. 301–320.
Reyment, R. A. and Savazzi, E. (1999) Aspects of Multivariate Statistical
Analysis in Geology, Elsevier Science B.V., Amsterdam.
Examples
data(bentonites)
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| bentonites | R Documentation |
Isotopic and chemical compositions of bentonites
Description
The data consists of 14 geological samples from the US with their major oxide composition (SiO2, Al2O3, Fe2O3, MnO, MgO, CaO, K2O, Na2O and H2O+) and delta Deuterium and delta-18-Oxysgen (dD,d18O).
Usage
data("bentonites")Format
A data frame with 14 observations on the following 11 variables.
Sia numeric vector
Ala numeric vector
Fea numeric vector
Mna numeric vector
Mga numeric vector
Caa numeric vector
Ka numeric vector
Naa numeric vector
H20a numeric vector
dDa numeric vector
d18Oa numeric vector
Source
Cadrin, A.A.J (1995), Tables 1 and 2. Reyment, R. A. and Savazzi, E. (1999), pp. 220-222.
References
Cadrin, A.A.J., Kyser, T.K., Caldwell, W.G.E. and Longstaffe, F.J. (1995) Isotopic and chemical compositions of bentonites as paleoenvironmental indicators of the Cretaceous Western Interior Seaway Palaeogeography, Palaeoclimatology, Palaeoecology 119 pp. 301–320.
Reyment, R. A. and Savazzi, E. (1999) Aspects of Multivariate Statistical Analysis in Geology, Elsevier Science B.V., Amsterdam.
Examples
data(bentonites)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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