Page 



Figure 23 Sediment Sorting Coefficient plotted against 



Median Diameter -_-,___ _ «__ 78 



Figure 24 Sorting of Sediments in Santa Monica Bay 80 



Figure 25 Sorting Coeficients plotted against Depth 83 



Figure 26 Calcium Carbonate Content of the Sediments 85 



Figure 27 Graph of Calcium Carbonate versus Depth--- 87 



Figure 28 Organic Carbon Content of Bottom Sediments---- 91 



Figure 29 Distribution of Organic Carbon with Depth 92 



Figure 30 Per Cent Organic Carbon plotted against Median 



Diameter 95 



Figure 31 Lithology of Gravity Cores 99 



Figure 32 Lithology of Bedrock in Santa Monica Bay 103 



Figure 33 Photograph of Phosphatized Mammal Bone 106 



Figure 34 Distribution of Epicenters in Santa Monica Bay 136 



Figure 35 Probable Thickness of Overburden 140 



Figure 36 Areas of Anomalous Seismic Data- 141 



Figure 37 Geological Cross-sections — 143 



Figure 38 Hypothetical Cross-section across Santa Monica 



Shelf— ------ — 148 



