disturbed, in the Lahnmulde and Dillmulde typical rocks of this time such as Schalstein, Massenkalk and deck diabase absent here. The greywacke occurring here...

chlorite-schists also are probably altered beds of volcanic tuff. The "Schalsteins" of Devon and Germany include many cleaved and partly recrystallized...

Marble) which are embedded in the predominantly volcanic rocks (diabase, schalstein) of the Lahn Depression. In the north, the terrain is shaped by the younger...