slides {nexus}

Thin Sections

Description

Mineral compositions of five slides as reported by five analysts.

Usage

slides

Format

A data.frame with 9 variables:

analyst

Analyst number.

slide

Slide number.

quartz

Quartz (percent).

microcline

Microcline (percent).

plagioclass

Plagioclass (percent).

biotite

Biotite (percent).

plagioclass

Plagioclass (percent).

muscovite

Muscovite (percent).

opaques

Opaque minerals (percent).

nonopaques

Non-opaque minerals (percent).

References

Aitchison, J. (1986). The Statistical Analysis of Compositional Data. London: Chapman and Hall.

See Also

Other datasets: arctic, chemistry, hongite, petrography