Terms for subject Mining containing Tonschiefer

German	English
dünnschiefriger Tonschiefer	clives (s.a. cliff)
harter glatter Tonschiefer	keller (in den Gangstößen)
heller Tonschiefer	calm
spaltbarer Tonschiefer	clives (s.a. cliff)
weicher Tonschiefer	bury