% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/diagnostics-horizons-wrb-v033.R
\name{tsitelic}
\alias{tsitelic}
\title{Tsitelic horizon (WRB 2022 Ch 3.1)}
\usage{
tsitelic(pedon, min_thickness = 10)
}
\arguments{
\item{pedon}{A \code{\link{PedonRecord}}.}

\item{min_thickness}{Numeric threshold or option (see Details).}
}
\description{
From Georgian \emph{tsiteli} = red. A red colour-defined horizon
formed on weathered basalt or similar Fe-rich parent material in
Caucasian / Mediterranean settings. Used by the Cambisols key
(Ch 4 p 123, criterion 4) and by the Tsitelic qualifier.
}
\details{
Diagnostic criteria (v0.3.5 simplification):
\itemize{
  \item Munsell hue \\<= 2.5YR (i.e. 2.5YR, 10R, 7.5R, 5R, 2.5R)
        AND value \\<= 4 (moist) AND chroma \\>= 4 (moist);
  \item evidence of soil formation (cambic-style criterion 3)
        proxied by clay \\>= 8\% AND \code{structure_grade} not
        "single grain" / "massive";
  \item thickness \\>= 10 cm.
}
}
