TiV {GCDkit} | R Documentation |
Linear and quadratic discrimination-analysis-based versions of the Ti-V (Shervais 1982) diagram for geotectonic discrimination of igneous rocks of Vermeesch 2006.
TiV(Ti = WR[, "Ti", drop = FALSE], V = WR[, "V", drop = FALSE], type = c("LDA", "QDA"), ternary = FALSE, show.labels = TRUE, short = TRUE, xlim = c(0, 30000), ylim = c(0, 500), ...)
Ti |
vector of Ti concentrations (ppm) |
V |
vector of V concentrations (ppm) |
type |
either |
ternary |
logical. If |
show.labels |
logical. If |
short |
logical. If |
xlim |
x-axis limits |
ylim |
y-axis limits |
... |
additional arguments for the generic |
This plot comes from the GeoplotR collection available online at https://isoplotr.es.ucl.ac.uk/geoplotr.
A list with tectonic affinities.
This plot is not Figaro-compatible.
Pieter Vermeesch, p.vermeesch@ucl.ac.uk,
GCDkit implementation by Vojtěch Janoušek, vojtech.janousek@geology.cz
Shervais J W (1982) Ti-V plots and the petrogenesis of modern and ophiolitic lavas. Earth Planet Sci Lett 59: 101-118. doi: 10.1016/0012-821X(82)90120-0
Vermeesch P (2006) Tectonic discrimination diagrams revisited. Geochem Geophys Geosyst 7:Q06017 doi: 10.1029/2005GC001092
sampleDataset("atacazo") out <- TiV(type="LDA") print(out$class) print(out)