4000' 



About 90 miles 



After Onion. 1925 



Cross section of Mogollon Rim, illustrating overlap of Upper Cretaceous formations southward onto 

 Permian formations. 



6oocy- 



4000'- 

 2000' 



10 



J L 







j L 



10 Miles 



J 



Modified after Gregory, 1917 



Te, late Tertiary lavas; T, Chuska sandstone; Kmv, Mesaverde group; Kmc, Mancos shale; Jm, Morrison 

 formation and San Rafael group; Jgc, Glen Canyon group; "fi, Triassic formations; P, Permian formations 



Cross section of the Defiance uplifts. 



WSW. 



^«*fc2#S&* .^tfom*** 



S^SS^3^i2^ 8 '^^=?r J= ^ z uNI J^°_^™* s .^r^__ 



ENE. 



Recent ;. Old lava 



I 



Todilto limestone 

 gate sandstone 

 le formation 

 Moenkopi formation 

 ■Yeso and San Andres 

 After Darton, 1922 formations 



HORIZONTAL SCALE 

 5 



10 MILES 



VERTICAL SCALE 

 5,000 5,000 

 l i i i i ■ ' 



10,000 FEET 



Section across the Zuni Mountain upwarp, New Mexico. 

 Fig. 26.9. Some uplifts of the Colorado Plateau. Reproduced from Hunt, 1956. Chuska ss. is Pliocene in age. 



