22 THREE GEOLOGICAL PROVINCES. 



Concomitant forms : 1. Subsidiary Plateaus. 



2. Projecting Ridges. 



3. Axial Peaks. 



4. Flanking Peaks. 



5. Interrupted Monoclinal Ridges. 



IV. KAIBAB STRUCTURE. 



Primary topographic form. Plateau with angular outlines. 

 Concomitant forms : 1. Cliff's of Displacement. 



2. Slopes of Displacement 



3. Interrupted Monoclinal Ridges on the .Flanks. 



4. Monoclinal Ridges with Plateau Carried Away. 



5. Projecting Ridges. 



6. Cliffs of Erosion. 



7. Buttes. 



8. Cameo Mountains. 



V. BASIN RANGE STRUCTURE. 



Primary topographic form. Monoclinal ridges of displacement. 

 Concomitant forms : 1. Monoclinal ridges on the back. 



VI. ZONES OF DIVERSE DISPLACEMENT. 

 Topographic form. Irregular hills. 



MOUNTAINS COMPOSED I WHOLE OR IN PART OF EX- 



TRAVASATED MATERIAL. 



VIL TABLE MOUNTAIN STRUCTURE. 



VIIL UINKARET STRUCTURE. 



IX. TU-SHAR STRUCTURE. 



X. VOLCANIC STRUCTURE. 



XI. HENRY MOUNTAIN STRUCTURE. 



