an economic way of mining nodules

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Industrial Uses of Major Metals that ,

An economic evaluation of the feasibility of Manganese Nodule mining was first introduced by Mero (1977) and considered the following criteria: 1) abundance, 2) metal content, 3) aerial extent and continuity, 4) water depth, 5) seafloor topography, 6) nodule size, 7) characteristics of surface sediments, 8) obstructions to...

MINING THE WEALTH OF THE OCEAN DEEP

Jul 17, 1977· MINING THE WEALTH OF THE OCEAN DEEP By William Wertenbaker , Deepsea Ventures spent several months mining nodules from the Blake Bahama Plateau, a relatively shallow part of the Atlantic only a ....

Economic | Definition of Economic by Merriam

Economic definition is - of, relating to, or based on the production, distribution, and consumption of goods and servic How to use economic in a sentence , program to prevent inflation and economic collapse the President's chief economic adviser We're looking for a more economic way of doing business See More...

Rushing To Mine A Sea Floor Full Of Treasure

It soon may open up to mining , until the 1950s that the nodules became the focus of economic interest , works hard every day to present local news in a deep and transparent way, without ....

Manganese

Manganese is an essential element for modern industrial societi Its principal use is in steelmaking, where it serves as a purifying agent in iron-ore refining and as an alloy that converts iron into steel Although the amount of manganese consumed to make a ton of steel is small, ranging from 6 to 9 kilograms, it is an irreplaceable component in the production of this fundamental material...

A comprehensive approach for a techno

Mine planning of land-based mineral deposits follows well-established methods The deep sea is currently under exploration, but mine planning approaches are still lacking A spatial planning tool to assess the techno-economic requirements and implications of manganese nodule mining on deep-sea deposits is proposed in this paper The comprehensive approach has been validated using research ....

an economic way of mining nodules

an economic way of mining nodules ; Manganese Nodule Mining and Economic Rent Manganese Nodule Mining and Economic Rent Nina W Cornell In fact the mining of manganese nodules is most unlikely to be a competitive industry While there are currently more than 25 firms expressing an interest in mining, only a few are actually likely to mine...

Deep Sea Billions

The most outrageous of the treaty's design-by-committee problems, they complained, was a requirement that the agency discontinue mining of nodules if necessary to keep mineral prices high and ....

DeepGreen secures $150m funding for deep sea mining

The reason being that on more than 70% of the seafloor metal rich nodules are found, seemingly just waiting for someone to come along with the right technology to scoop them up without any of that mining business DeepGreen stress the economic advantage of seafloor mining ,...

Undersea mining

Such nodules are quite common in the Pacific, but the CCZ is the only part of the basin where the International Seabed Authority (ISA), which regulates such matters beyond the Exclusive Economic ....

Manganese nodule

Kennecott Copper had explored the potential profits in manganese nodule mining and found that it was not worth the cost On top of the environmental issues and the fact that the profits had to be shared, there was no cheap way to get the manganese nodules off the sea floor [citation needed]...

MINING THE WEALTH OF THE OCEAN DEEP

Jul 17, 1977· The flour of the sea is a land no man can ever walk, a spectacular landscape miles beneath the ocean's surface, only recently explored and, as late as 25 years ago, virtually uncharted...

NIOSHTIC

This Bureau of Mines report describes an investigation of factors influencing economic viability of a proposed system to mine and process manganese nodul The system consists of hydraulic dredging and ammonia leach processing designed to recover three metals: nickel, copper, and cobalt A ferromanganese recovery plant is a considered option...