ILLUSTRATIONS. 



GEOLOGICAL MAP coloured - Frontispiece. 



PAGE 



Figure 1. Compass and Clinometer 7 



2. Protractor, upper side - 9 



3. Hammer, Pick, and Spud, combined - 11 



4. Protractor, under side, as Scale - 12 



, 5. Area Surveyed, First Slip 10 



6. Second Slip 22 



7. Third Slip - 24 



8. Fourth Slip 20 



9. Methods of Traversing - - 30 



10. Clinometer 40 



" I Diagrams for finding Direction of Dip - 43 

 ., 12. 3 



-jo 44 



1) id' 55 55 55 55 



14. Example of finding Direction of Dip, by Dia- 



gram - 45 



" ' | Diagrams for finding Amount of Dip 



17. Diagram for finding Amount of Dip and its 



Direction - 48 



18. Inaccessible Cliff, to find the height of - 80 

 . 19. Horizontal Section - 83 



20. Diagram for finding Apparent Dip - 85 



20cr. Cast and Impression - - 132 



. 21. Area Surveyed Palccozoic Rocks - 204 



22. Section across Fig. 22 210 



23. Vertical Section - - 212 





