Figure 10. Exposed bedrock enclosed by 

 coarse, rippled calcareous sand on abys- 

 sal plain south of Java Trench, Indian 

 Ocean. Depth: 3290 m. Photo area: 

 1.2 mx 3.7 m. Type II camera. 2.6 m 

 target distance. 



Figure 9. Manganese-encrusted bedrock, 

 boulders, or nodules on a topographic high 

 Rift Mountains, Indian Ocean. Depth: 

 2940 m. Photo area: 0.6 m x 4 m. Type 11 

 camera. 2.4 m target distance. 



Figure 11. Manganese-encrusted boulders 

 in coarse sand and gravel, located on 

 ridge above elongated basin, Gulf of 

 California. Depth: 720 m. Photo area: 

 1 .2 m x 1.8 m. Type I camera. 2.4 m 

 target distance. 



Figure 12. Exposed boulders imbedded in 

 thin silty-sediment cover on upper flanks 

 of Coronado Bank. Depth: 495 m. Photo 

 area: 1.2 mx 1.8 m. Type I camera. 

 2.4 m target distance. 



35 



