Outlier

butte-témoin

(part of formation separate from the rest)

cas isolé

(a person or thing situated away from the main body or outside its proper place)

donnée aberrante

(value outside pattern in a statistical sample)

exception

(a person or thing situated away from the main body or outside its proper place)

extrême

(value outside pattern in a statistical sample)

lambeau m d'érosion

(part of formation separate from the rest)

valeur f anormale

(value outside pattern in a statistical sample)