390 



W. M. DAVIS OBSERVATIONS IN SOUTH AFRICA 



miles farther south (plate 48, figure 2) ; it was this one we crossed in our 

 second day's excursion from Laingsburg (L, figure 1), August 22, when 

 we drove 20 miles southward down the valley of Buffels river, through 

 its gorge (plate 47, figure 1), Leeuw Kloof poort, or Lion Eavine gap, 

 in the Witteberg ridge, where good sections were abundantly exposed. 



'CLINE. 



B o k K E- v e: l_ o 



Figure 2. — Sketch Map of District SoutJi of Laingsburg, Cape Colony. 



Shows gorge of the Buffels river through the Witteberg range. Scale, about five miles 

 to an inch. Route of excursion on August 21, single dots ; on August 22, double dots. 



The general distribution of the ridges hereabout is roughly sketched in 

 figure 2, on which our route is shown by a line of double dots. The sec- 

 tion in the gorge, sketched as we drove through it, is reproduced in fig- 

 ure 3. The range appears to be a double or faulted anticline, with steep 

 dips and overthrusts along its northern border, where the Witteberg 



