CHAPTER XI. 
THE JURA. 
The Jura forms a curve somewhat resembling 
that of the Alps, trending at first N. and S., and 
subsequently S.W. and N.E. 
It falls into two well-marked divisions, the Tabular 
Jura and the Folded Jura.* 
Tabular Jura. 
The Tabular Jura consists of two comparatively 
small tracts, one to the N.E., the other to the S.W., 
which have escaped compression, and consist of 
approximately horizontal strata. 
In Fig. 71 the ancient mountains of the Black 
Forest and the Vosges are shown on the N.E. and 
N.W. Between the two dotted lines is the area of 
subsidence now forming the valley of the Rhine. 
The Dinkelberg is a district south of the Black 
Forest, which has sunk to some extent, but not so 
* Miiller, Beitr. z. Geol. K. d, Schw.^ L. I, 
