Marine Minerals: Advances in Research and Resource Assessment

Front Matter....Pages i-xiv
Report of the Working Group on Placer Minerals....Pages 1-8
Report of the Working Group on Marine Phosphorites....Pages 9-19
Report of the Working Group on Manganese Nodules and Crusts....Pages 21-27
Report of the Working Group on Marine Sulfides....Pages 29-37
Sedimentary Models to Estimate the Heavy-Mineral Potential of Shelf Sediments....Pages 39-56
Exploring the Offshore Area of N.E. Greece for Placer Deposits: Geologic Framework and Preliminary Results....Pages 57-70
Marine Placers: Reconnaissance Exploration Technology....Pages 71-80
The Development of Techniques for Marine Geological Surveys....Pages 81-98
Model of Tertiary Phosphorites on the World’s Continental Margins....Pages 99-118
Open-Ocean Phosphorites — In a Class by Themselves?....Pages 119-134
Some Mineral Resources of the West African Continental Shelves Related to Holocene Shorelines: Phosphorite (Gabon, Congo), Glauconite (Congo) and Ilmenite (Senegal, Mauritania)....Pages 135-155
Exploration and Genesis of Submarine Phosphorite Deposits from the Chatham Rise, New Zealand — A Review....Pages 157-175
Controls on the Nature and Distribution of Manganese Nodules in the Western Equatorial Pacific Ocean....Pages 177-188
Growth History and Variability of Manganese Nodules of the Equatorial North Pacific....Pages 189-204
Chemistry and Growth History of Central Pacific Mn-Crusts and their Economic Importance....Pages 205-220
Geochemical Methods in Manganese Nodule Exploration....Pages 221-234
Analysis and Metallurgy of Manganese Nodules and Crusts....Pages 235-246
Nodule Exploration: Accomplishments, Needs and Problems....Pages 247-257
Deep-Ocean Near-Bottom Surveying Techniques....Pages 259-275
Seafloor Polymetallic Sulfides: Scientific Curiosities or Mines of the Future?....Pages 277-300
Sulfide Deposits on the Sea Floor: Geological Models and Resource Perspectives Based on Studies in Ophiolite Sequences....Pages 301-316
Recent Hydrothermal Metal Accumulation, Products and Conditions of Formation....Pages 317-337
The Chemistry of Submarine Ore-Forming Solutions....Pages 339-347
Trace Element and Precious Metal Concentrations in East Pacific Rise, Cyprus and Red Sea Submarine Sulfide Deposits....Pages 349-362
Possibility of Mineral Enrichment in the Black Sea....Pages 363-374
Seafloor Volcanism and Polymetallic Sulfide Deposits in Ancient Active Margins: The Case of the Iberian Pyrite Belt....Pages 375-387
Scientific Rationale for Establishing Long-Term Ocean Bottom Observatory/Laboratory Systems....Pages 389-411
Electrical Methods in the Exploration of Seafloor Mineral Deposits....Pages 413-419
Sources of Confusion: What are Marine Mineral Resources?....Pages 421-432
Thoughts on Appraising Marine Mineral Resources....Pages 433-466
Estimation of the Probability of Occurrence of Polymetallic Massive Sulfide Deposits on the Ocean Floor....Pages 467-483
Resource Assessments, Geologic Deposit Models, and Offshore Minerals with an Example of Heavy-Mineral Sands....Pages 485-513
Aspects of Marine Placer Minerals: Economic Potential of Coastal Deposits in Italy, Testing Procedures and Market Conditions....Pages 515-532
Geostatistical Problems in Marine Placer Exploration....Pages 533-540
Geostatistical Reserve Modeling and Mining Simulation of the Atlantis II Deep’s Metalliferous Sediments....Pages 541-558
An Investigation of the Applicability of Trend Surface Analysis to Marine Exploration Geochemistry....Pages 559-575
Back Matter....Pages 577-588