INDEX. 307 



Page. 



Unconformity of Tertiary and Cretaceous 11,57,280,281,288 



Upliftiug at centers of erosion .'..•.• 18,20 



of Plateau Province .- 15, 18 



Vennilion Clifl's (see also Triassic) ^ 148 



Virgin River, canons of _ '. 209 



Volcanic conglomerates 39,70,75,178,190,214,237,238,244,275,295 



Volcanic eruptions, causes of (Chaj). V) 113 



Wasatch monocline ; 100,257 



Wasatch Mountains ^''. 2 



Wasatch Plateau, general discussion of (Chap. VII) KiO 



Relations to Plateau Provinco 4, 19 



Water-PocUet fold 44, 280, 28<>, 287 



West Gunnison fault 1(J4 



West Kaibab fault - . 32 



Zirkel, F., augitic andesit«s 65 



Propylitcs 108 



Rhyolites 104 



Zone of diverse displacement 102 



