microspheres, glass, VI-44 

 Trieste, VI-44 

 future needs 



glass fiber reinforced plastics, VI-45 

 sympathetic implosion, Vl-45 

 buoyancy ratio, 

 cathodic protection, VI-41 

 ceramics, VI-41 

 corrosion, VI-41 



Deep Submergence Search Vehicle, VI-41 

 glass, VI-4 1 



growth, biological, VI-41 

 nonferrous metals 

 current situation 

 aluminum, VI-42 

 titanium, VI-42 

 future needs 



buoyancy materials, VI-43 

 support, surface and submerged, VI-43 

 nonmetallic materials 

 current situation 



ceramics, oxide, VI-44 

 glass fiber reinforced plastics, VI-43 

 massive glass, VI-43 



Naval Civil Engineering Laboratory, VI-43 

 Naval Undersea Warfare Center's vehicles, VI-43 

 plastics, glass-reinforced, VI-43 

 spheres, annealed, VI-43 

 future needs 



applications, deep submergence, VI-44 

 structural fibers, VI-44 

 plastics, VI-41 

 steels, high strength 

 current situation 



collapse safety factor, VI-42 

 fatigue Ufe, VI-42 

 toughness, VI-42 

 future development 

 brittle failure, VI-42 

 corrosion, stress, VI-42 

 ultra-strength steels, VI-42 

 recommendations, VI-45-46 

 secondary materials, VMS 

 strength, fatigue, VI-41 

 toughness, notch, VI-41 

 W/D ratios, VI-41 

 weldabihty, VI-41 

 Maury, Lt., monitoring system, 11-15 

 McCann chambers, search and rescue, VI-96 

 McKelvey, V.E., study of oil and gas reserves, VII-193- 



199 

 McKernan, Donald, VIII-l 

 MDL (see Mine Defense Laboratory) 

 Menard, Henry W., II-l 

 Merrimack River Estuary, Mass., U.S. Geological 



Survey, VI-101 

 Meseck, marine fisheries, total yield estimates by 



geographic area, VII- 13 

 Metals, nonfenous (see Materials) 



Mexico, fishery agreement with United States, VIII-147- 



148 

 Mine Defense Laboratory, hyperbaric facilities, VI-79-80 

 Mineral deposits 



deep ocean basins, VII-107 

 deep ocean floors, VII-106-107 

 submerged placer 



description, VII-101-102 

 formation, VlI-102-103 

 locations, VIl-103-104 

 research, VII-103-104 

 substrate of shelves and slopes 

 geologic analysis, VII-105-106 

 hard mineral potential, VII-105 

 igneous rocks, VII-105 

 management, VII-105 

 research areas, VII-90, 106 

 Mineral resources 



bed and subsoil of high seas, VIII-92-93 

 cobalt, 1-32, 133-134 

 conventional sources 

 adequacy, VII-97-98 

 demand 



Bureau of Mines, VII-96 

 individual commodities, VII-98, 128-163 

 new sources, VII-98 

 projection, VII-97, 128-163 

 substitute materials, VII-98, 128-163 

 variables, VII-97 

 copper, 1-32, 134-135 

 development, 1-4, 32-33 

 ferro-manganese nodules, 1-4, 32 

 foreign capabilities, VII-112 

 gas, 1-32 



geological structure, 1-32 

 hard minerals, 1-24, VII-89, 105, 109 

 need for development and usage 



education and training, VII-95, 125 



engineering, VII-124-125 



geologic and geophysical knowledge, VII-123 



individual commodities, VII-128-163 



legal environment, VII-92-94, 125 



restrictions, VII-125 



supporting services, VII-125 



technology 



exploitation, VII-124 

 exploration, VII-124 

 nickel, 1-32, VII-142-143 



objectives for geological and geophysical study, 1-32 

 oil, 1-32 

 potential 



chemical constituents 

 concentration, VII-101 

 need for technology, VII-lOl 

 deposits, deep ocean basins, VII-107 

 deposits, deep ocean floors, VII-106-107 

 deposits, substrate of shelves and slopes, 



VII-104-106 

 Dow magnesium plant, VII-101 



30 



