BULL. GEOL. SOC. AM. 



VOL. 18, 1906, PL. 33 



Figure 1. — The south Shore of old Lop-Nor 



The bluffs above the 20 and 35-foot strands south of the salt plain of old Lop- 

 Nor, near Chindollk. At the foot of the Bluffs there is a narrow strip of reeds, in 

 which white patches appear. These are pools of brine so saline that the.v were 

 unfrozen January 1, 1906, after nearly a month of zero weather 



%IHii^.-J.-4v;"; 





t 



Figure 2. — .Koi.iax Me.sas .north of L,or-NOR 



The mesas are composed of alternating red and white clay. Huge ripples of coarse 



sand lie in the foreground 



BLUFFS AND MESAS OF LOP-NOR 



