Initial estimates of deep sea mining viability turned out to be much exaggerated.

Deep sea mining is a relatively new mineral retrieval process that takes place on the ocean floor.

Among the impacts of deep sea mining, sediment plumes could have the greatest impact.

As with all mining operations, deep sea mining raises questions about environmental damage to the surrounding areas.

He specialized in environmental issues and was expert on space exploration, deep sea mining and the use of international weather control for agriculture.

Because deep sea mining is a relatively new field, the complete consequences of full scale mining operations are unknown.

Colmek Company was founded in 1977 by Tom Meyer to fulfill a contract of developing a deep sea mining experiment.

China is developing its deep sea exploration capabilities, such as by the Jiaolong submersible, with an eye to future applications such as deep sea mining.

Sagar Nidhi will be utilized for deep sea mining, launching of ROV's, AUV's, manned/unmanned submersibles and exploration of gas hydrates.

In the end President Reagan refused to endorse the final document, influenced by deep sea mining consortiums in this country, who want the unrestricted right to exploit the resources of the ocean depths anywhere in the world.

Mining companies all over the world set up consortia to study ways of mining the manganese nodules on the floor of the deep oceans, but have been unwilling to proceed until the world can agree on laws to cover deep sea mining.

The underwater cities follow daring architectural lines with underline their purpose (the capital, located under Hawaiian Islands, is a crystal sphere, while the deep sea mining center in the Mariana Trench is a giant pyramid with a molten base).