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The aim of this book is to unlock the power of the freeware R
language to advanced university students and researchers dealing
with whole-rock geochemistry of (meta-) igneous rocks. The first
part covers data input/output, calculation of commonly used indexes
and plotting in R. The core of the book then focusses on the
presentation and practical implementations of modelling techniques
used for fingerprinting processes such as partial melting,
fractional crystallization, binary mixing or AFC using major-,
trace-element and radiogenic isotope data. The reader will be given
a firm theoretical basis for forward/reverse modelling, followed by
exercises dealing with typical problems likely to be encountered in
real life, and their solutions using R. The concluding sections
demonstrate, using practical examples, how a researcher can proceed
in developing a realistic model simulating natural systems. The
appendices outline the fundamentals of the R language and provide a
quick introduction to the open-source R-package GCDkit for
interpretation of whole-rock geochemical data from igneous and
metamorphic rocks.
The aim of this book is to unlock the power of the freeware R
language to advanced university students and researchers dealing
with whole-rock geochemistry of (meta-) igneous rocks. The first
part covers data input/output, calculation of commonly used indexes
and plotting in R. The core of the book then focusses on the
presentation and practical implementations of modelling techniques
used for fingerprinting processes such as partial melting,
fractional crystallization, binary mixing or AFC using major-,
trace-element and radiogenic isotope data. The reader will be given
a firm theoretical basis for forward/reverse modelling, followed by
exercises dealing with typical problems likely to be encountered in
real life, and their solutions using R. The concluding sections
demonstrate, using practical examples, how a researcher can proceed
in developing a realistic model simulating natural systems. The
appendices outline the fundamentals of the R language and provide a
quick introduction to the open-source R-package GCDkit for
interpretation of whole-rock geochemical data from igneous and
metamorphic rocks.
The year is 1983, unemployment has reached record levels and two
young men are getting bored living on the dole. Having heard
stories of busking on the continent they take their instruments and
head off in search of excitement. They can only afford one-way
tickets, so decide to take a risk that they can raise enough money
for the return fare on top of their subsistence costs. The trip
runs no danger of being over-planned, but leaving everything to
chance they meet some unusual characters and end up in some
unexpected places.
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