IO CONTENTS 



FAGE 



Movement of the Water 198 



Wave Motion. The Breaking of Waves. Force of Storm Waves. Height 

 of Storm Waves. Tides. Tidal Currents. Tidal Bores. Earthquake 

 Waves. Ocean Currents. 



Marine Erosion 202 



Factors in Marine Erosion. Shore Ice. Ice in Lakes. 



Results of Marine Erosion 205 



Effect of Erosion on Different Materials. Influence of Joints and Other 

 Planes on Erosion. Coves and Headlands. Sea Caves and Blow- 

 holes. Arches. Stacks. Marine Terraces. Striking Examples of 

 Marine Erosion. Sea-captured Streams. Raised Beaches. Ancient 

 Plains of Marine Denudation. The New England Marine Plain. 



Transportation 217 



Littoral or Shore Currents. Tidal Currents. 



Features Resulting from Transportation 218 



Beaches. Bayhead Beaches. Bars and Spits. Sand Reefs or Barrier 

 Beaches. Tied Islands. Examples of the Constructive Work of the 

 Sea. 



Shores 224 



Smooth Shores. Cuestas. Rough Shores. Examples of Irregular Coasts. 

 Proofs of Elevation and Depression. The Stability of the Atlantic 

 Coast of North America. Cycle of Shore Erosion. 



Deposition in Seas and Lakes 233 



Source and Extent of Land-derived Sediments. Stratification. Cross or 

 False Bedding. 



Littoral Deposits 235 



Extent. Character of Littoral Deposits. Distinguishing Characteristics 

 of Littoral Deposits. 



Shoal-water Deposits 237 



Extent and Character of Deposits. Limestone. Lens-shaped Sediments. 

 Dovetailing of Sediments. Basal Conglomerates. Subsidence Neces- 

 sary for Great Accumulations. 



Deep-sea Deposits 241 



Blue Mud. Globigerina Ooze. Radiolarian Ooze. Red Clay. 



Coral Reefs and Islands 243 



Coral-reef Problem. Subsidence Theory of Darwin. Submarine Bank 

 Theory of Murray and Others. Change in Sea Level Due to Glaciation, 

 or the Glacial-control Theory. 



Consolidation of Sediments 248 



Cementation. Effect of Pressure. Effect of Heat. 



Classification of Sedimentary Rocks 249 



Limestones. Sandstones. Shales. Deposits in Lakes and Deserts. 

 Influence of Sedimentary Rocks upon Topography. 



