Description Usage Format Source References Examples
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).
1 | data("bentonites")
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A data frame with 14 observations on the following 11 variables.
Si
a numeric vector
Al
a numeric vector
Fe
a numeric vector
Mn
a numeric vector
Mg
a numeric vector
Ca
a numeric vector
K
a numeric vector
Na
a numeric vector
H20
a numeric vector
dD
a numeric vector
d18O
a numeric vector
Cadrin, A.A.J (1995), Tables 1 and 2. Reyment, R. A. and Savazzi, E. (1999), pp. 220-222.
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. https://doi.org/10.1016/B978-044482568-1/50012-4
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