Appendix E 



Tables of Contents for 

 OTA Contractor Reports 



Manned Submersibles and Remotely 



Operated Vehicles: Their Use for 



Exploring the EEZ 



Frank Busby 

 Busby Associates, Inc. 

 576 S. 23rd Street 

 Arlington, VA 22202 



Table of Contents 



Applications 



Manned Submersibles 



Remotely Operated Vehicles 



Hybrid Vehicles 

 Advantages and Limitations 

 Capabilities 

 Vehicle Applications in the EEZ 



Regional Surveys/Reconnaissance 



Local Surveys 



Sampling 



In Situ Mineral Analyses 



Examples 

 Needed Technical Developments 



Technologies for Dredge Mining 



Minerals of the Exclusive 



Economic Zone (EEZ) 



M.J. Richardson 



Consolidated Placer Dredging, Inc. 



17961A Cowan 



Irvine, CA 92714 



Edward E. Horton 

 Deep Oil Technology, Inc. 

 P.O. Box 16189 

 Irvine, California 92713 

 Arlington, VA 22202 



Table of Contents 



Introduction 



Placer Mining Technology 



Precious Minerals 



Heavy Minerals 



Industrial Minerals 



Definitions 



Bibliography 



Dredge Mining Systems 



Bucket Ladder Dredge 



Bucket Dredges for Mining 



Suction dredges for Mining 



Beneficiation Systems 



Tailings Disposal 



Mining Control 

 Economics and Efficiency of Dredge Mining 

 Operations 



Capital Costs 



Operating Costs 

 Placer Sampling Methods 



Initial Survey Scout Sampling 



Indicated Reserves 



Proven Reserves 



Drilling Systems 



Bulk Sampling 



Placer Sampling Equipment Comparison 



Evaluation Procedures 

 Precious Minerals 

 Heavy Minerals 

 Industrial Minerals 



Applications to Offshore Deposits 

 Future Technologies for Offshore Dredge Mining 



Offshore Titanium Heavy Mineral 



Placers: Processing and Related 



Considerations 



Arlington Technical Services 

 4 Colony Lane 

 Arlington, MA 02174 



W.W. Harvey and E.G. Brown 



Table of Contents 



Titanium and Associated Minerals 

 Sjilient Features of the Industy 

 Recent History of Titanium Sands Mining in the 



U.S. 

 General Extrapolations to Offshore Deposits 



Typical Flow Sheets for Processing Ti/associated 



Heavy Mineral Sands 

 Modifications for Processing an Offshore Deposit 

 A Dune Sands Analog of the Postulated Offshore 



Deposit 



319 



