Economic Analysis of Deep Seabed Mining Systems: Effects of Production Rate, Inflation and Depletion Using a Revised Financial Model
Texas A & M University, Sea Grant College Program, 1985 - Manganese mines and mining, Submarine - 109 pages
The effects of several variables affecting the economic performance of proposed manganese nodule mining ventures were evaluated using an improved version of the Texas A&M University's Ocean Mining Payout Analysis Program. After tax Internal Rate of Return (discounted cash flow) was used as the primary criterion of performance along with total funding requirements. Variables studied included ore production rate (throughput), processing plant location, construction period, depletion, corporate structure type, processing plant type and financing. Metal pricing used in the analysis was "normal" 1970's pricing which (with the exception of cobalt) is higher than current metal prices. Overall results show that favorable combinations of the variables can produce after tax rates of return as high as 30 to 35 percent
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4-Metal A&M University Ocean Andrews Annual Operating Costs capital and operating capital costs capital recovery factors capital requirements cash flow collector computed Construction Period Fast Corporate Funding Corporate Structure cost depletion cost inflation deep ocean mining dollars economies of scale equipment expenses fixed capital fixed investment Flipse full manganese Function of Throughput high throughput base increase Inflation Percent inflation rate interest rate Internal Rate investment kilowatt-hour Location Southern California Manganese Nodule manganese production manganese recovery Metal Price Inflation million ton throughput millions of 1982 mining costs Mining Payout Analysis Mining Payout Program mining ship mining system mining venture Ocean Mining Payout output Pacific Northwest parent/subsidiary partial manganese Partial Mn Production payback period percentage depletion printout Process NH3 Leach Prospecting and Exploration Rate of Return Research and Development Return Versus Throughput Sea Grant College short dry tons short tons slurry Smelting Texas A&M University Throughput millions Total University Ocean Mining