CONTENTS 



PART I. DYNAMIC AND STRUCTURAL GEOLOGY 



CHAPTER I 

 PRELIMINARY OUTLINE 



THE EARTH IN THE SOLAR SYSTEM 2 



THE GRAND DIVISIONS OF THE EARTH 4 



The atmosphere, 4. The hydrosphere, 6. The lithosphere, 7. 



CHAPTER II 

 THE MATERIALS OF THE EARTH AND THEIR ARRANGEMENT 



GENERAL 11 



Mantle rock, 11. Solid rock, 12. Stratified rock, 12. Igneous 

 rock, 13. Metamorphic rock, 14. . 



IGNEOUS ROCKS 15 



Composition of, 23. Classification of, 27. Disruption of, 31. 



SEDIMENTATION AND SEDIMENTARY ROCKS 34 



METAMORPHISM AND METAMORPHIC ROCKS 42 



CLASSIFICATIONS AND NOMENCLATURES 58 



STRUCTURAL FEATURES COMMON TO ALL ROCKS ; 61 



ORE-DEPOSITS .*-. 68 



REFERENCE LIST OF IMPORTANT MINERALS 74 



REFERENCE LIST OF THE COMMONER ROCKS 81 



CHAPTER III 

 THE GEOLOGICAL WORK OF THE ATMOSPHERE 



MECHANICAL WORK 89 



Dust, 89. Sand, 92. Dunes, 93. 



CHEMICAL WORK 102 



THE ATMOSPHERE A CONDITIONING AGENCY 103 



SUMMARY 109 



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