.", 1 c. i». WALCOTT — A DISPLACEMENT IN" THE GRAND CANON. 



fiui It continues several miles, the strata <>n the thrown Bide sometimes ap- 

 proaching the fault almosl horizontally, but usually bending somewhat 

 abruptly upward. They often stand vertically, and arc bo metamorphosed, 

 flattened out, or compressed, that little of the original appearance of the 

 ruck remains. 



Figure 5 represents a cross-section of the ridge south of Kwa-gunt valley, 

 and figure 6 is a cross-section of the divide Leading into (dinar valley on the 

 north. The massive Tonto (Cambrian) Bandstone curves gently down 

 toward- the fault, while the unconformable Chuar (Algonkian) beds beneath 



W< st. 



East. 



H.W. 



C. (a) U . T . 



FiauBS 6.— Section on ti Ihoftht Chuat Valley. 



Thifi section Is of the same type as section 6. The lettering and scale are as in section l 



Piovei l.—Ba I and H K\oa*guni Valley. 



The ' boar ih nd the ihaly Tonto llrni are vertical or Inclined a little to the 



nee. The layri tliy curve back each way from the faull a t a, h^ shown in 

 I m, Vertical scale, -<*> feel 1 Inch. 



