STRA TIFICA TION. 



the form of strata, but their beds also are made up of thin 

 laminae, or leaves (Fig. 6), and sometimes the laminae lie 

 unevenly (Fig. 7). 



FIG. 6. 



FIG. 7. 



FIG. 8. SYNCLINAL. 



FIG. 9. ANTICLINAL. 



Stratification is by no means always horizontal, for the 

 beds sometimes dip considerably, and sometimes have been 

 bent by pressure or strain into curves. When the beds 



