LOCAL VARIABILITY IN MARINE SEDIMENTS 727 



ILLUSTRATIONS 



Fig. 1. — Outline map showing the sampling- area. 



P'IG. 2. — Device for obtainins: 3 simultaneous cores. 



Fig. 8. — Upper figure shows sampling locations and bottom contours. 

 Each location indicated was sampled by use of the triple coring device. The 

 lower figure presents a profile of the sampling area. 



Fig. 4. — Size-frequency polygons and cumulative curves for locations 6L1 

 and 1P2, 6L1 located on the east slope at 560 foot depth, 1P2 is on the west 

 slope at a depth of 600 feet. Both show good correspondence between ad- 

 jacent cores. 



Fig. 5. — Size-frequency polygons and cumulative curves for locations 7M1 

 and 3P3, 7M1 is located on the west slope at a 500 foot depth, 3P3 is located 

 o.u the east slope at 450 feet. The beginning of divergence between adjacent 

 cores can be obsei-ved. 



J'IG. 6. — Size-frequency polygons and cumulative curves for locations 5L2 

 and IPl. Both are located on the east slope at depth of 500 feet. Marked 

 variations between adjacent cores can be observed. 



Fig. 7. — Comparison of the median diameters of particle size for adja- 

 cent cores for four locations with depth in core. Sample P6 indicates good 

 correspondence between adjacent cores at all depths in the core. Sample P3 

 (with a break in the scale) indicates good correspondence between adjacent 

 cores on the surface ; there are 3 fold differences between the median dia- 

 meters of the cores at 10 and 20 cm. depths. Samples L6 and M7 show in- 

 termediate divergences with depth. 



