Shand {GCDkit}R Documentation

A/CNK-A/NK diagram (Shand 1943)

Description

Assigns data for Shand's diagram into Figaro template (list 'sheet') and appropriate values into 'x.data' and 'y.data'

Usage

Shand()

Details

Classic Shand's diagram (1943). Three rock types are defined in the A/CNK vs A/NK plot:

Peralkaline
Metaluminous
Peraluminous

Shand.png

Value

sheet

list with Figaro Style Sheet data

x.data

molecular ratio A/CNK=Al2O3/(CaO+Na2O+K2O)

y.data

molecular ratio A/NK=Al2O3/(Na2O+K2O)

Author(s)

Vojtech Erban, vojtech.erban@geology.cz
& Vojtech Janousek, vojtech.janousek@geology.cz

References

Shand (1943) Eruptive Rocks. John Wiley & Sons

See Also

classify figaro plotDiagram NaAlK

Examples

#Within GCDkit, the plot is called using following auxiliary functions:
#To Classify data stored in WR (Groups by diagram)
classify("Shand")

#To plot data stored in WR or its subset (menu Classification)
plotDiagram("Shand", FALSE)

[Package GCDkit version 4.1 Index]