xxvi TABLE OF CONTENTS 



PAGE 



19. Domes and Basins 808 



f. Deformation due to Dislocation of Strata. Faulting 810 



20. Faults 810 



^ Features Shown in Section of Faults (812); Features 

 Shown in Surface Appearance of Faults, i.e. Map Fea- 

 tures of Faults (813); Classification of Faults (813); 

 With Reference to Direction; With Reference to Move- 

 ment; With Reference to Cause 812-814 



Terms Applied to Rock Masses Formed by, or Bounded 

 by Faults, but not Topographically Distinguishable 

 from Surrounding Masses (815); Terms Applied to the 

 Topographic Expression of Faults 815 



Secondary Features due to Erosion (816); Strati- 

 graphic Significance of Faults (817); Faults as Indica- 

 tions of Unconformity (819); Relation of Folds, Faults, 

 Cleavage, Fissility and Joints 816-819 



C. Contact Deformations 820 



21. Prismatic Joints due to Contact with Igneous Masses 

 (820) ; 22. Insolation joints 820-821 



D. Structures in Part due to Deformation and in Part to Erosion. 821 



23. Disconformity and Unconformity (821); Disconformity 

 (Parunconformity, Pccnaccordanz) (822); Unconformity 

 (Clinunconformity; Discordanz) (824) 821-824 



Bibliography XX 826 



CHAPTER XXI. 

 The Principles of Glyptogenesis or the Sculpturing of the Earth's 



Surface 829 



The Cycle of Erosion 829 



A. Erosion Features in Undisturbed Strata 830 



1. The Coastal Plain 830 



Dissection of the Coastal Plain (831); Deposition in Dis- 

 sected Coastal Plain; Effect of Dissection and Peneplana- 

 tion of Coastal Plain Strata on Outcrop 831-833 



Ancient Coastal Plains Showing Cuesta Topography 835 



Minor Erosion Forms of Horizontal Strata 839 



B. Erosion Features in Disturbed Strata 846 



2. The Monocline (840); 3. Erosion Features of the Structural 

 Dome (841); 4. Erosion Features of the Anticline (843); 5. The 

 Basin (846); 6. The Svncline (847); 7. Erosion Features in Faulted 

 Strata (847); 8. The Completion of the Cycle (847) 840-847 



The Peneplain (847); The Relation of the Peneplain to Sedi- 

 mentation; Dissection of the Peneplain; Age of the Peneplain; 

 High-level Plains of Arid Regions 847-852 



C. Minor Erosion Features 856 



Bibliography XXI 857 



