Results 161 to 170 of about 3,360 (218)

Complex deep-sea expeditions try to size up seabed mining impacts. [PDF]

Proc Natl Acad Sci U S A
Gilbert N.
europepmc   +1 more source

The International Law of the Sea, by D. P. O\u27Connell, Edited by I. A. Shearer [PDF]

, 1985
Glassner, Martin Ira
core   +1 more source

The geology of manganese nodules [PDF]

, 2013
Hein, James R., Petersen, Sven
core  

Deep-sea mining: Superficial riches, deep hidden costs

Sumaila UR, Alam L, Pradhoshini K, Flint R, Singh P, Billon PL, Mosnier F, Amon D, Abdallah P, Aheto D, Alger J, Anna Z, Barnes C, Fritsch D, Giron A, Gjerde K, Hilmi N, Karuaihe S, Levin L, Mohammed, Sukhdev P, Tudhope A, Thiele T, Villasante S, Wilson M.   +24 more
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India's Programme on Polymetallic Nodules

Offshore Technology Conference, 1990
Abstract This article is a review of India's programme aimed at developing deep sea manganese nodules on a commercial basis. A brief history of the programme is followed by an outline of current work in the areas of survey and exploration, deep-sea mining technologies, extractive metallurgy and environmental studies.
J. Yates, K.R. Gupta
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Electrobioleaching of polymetallic ocean nodules

Hydrometallurgy, 2001
Abstract In this paper, a novel electrobioleaching process for recovering valuable non-ferrous metals from ocean nodules is described. The key for successful and efficient dissolution of copper, nickel and cobalt from ocean nodules depends on prior reduction of the manganese and ferric oxides with which the above valuable non-ferrous metals are ...
Kumari, Abha, Natarajan, KA
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Polymetallic Nodules: Resource Potential and Mining Prospects

Marine Technology Society Journal, 2021
Abstract Deep-sea minerals such as polymetallic nodules have attracted significant interest among stakeholders not only for evaluating their potential as an alternative source of critical metals that are required for various industrial applications including green energy but also in developing technology for their exploitation. There has been a steady
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Mössbauer and ESR Studies of Polymetallic Nodules

physica status solidi (a), 1990
Ces spectres Mossbauer, enregistres a la temperature de l'azote liquide et a temperature ambiante, sont constitues de larges doublets symetriques bien resolus. On montre que deux doublets se chevauchent. Le doublet interieur correspond a Fe 3+ au site tetrahedrique, le doublet exterieur a Fe 3+ au site ...
S. Swami, V. K. Agarwal, S. S. Sharma, J. Varma   +3 more
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Tubotomaculum: a bacterially-mediated polymetallic nodule

2019
Since the 50s of the last century, several authors have investigated the nature of Tubotomaculum: enigmatic Mn-Fe mineralizations occurring in the latest Oligocene – Early Miocene varicoloured clays of the western Mediterranean area. Some authors regarded these structures as fossil traces[1], as fossil corals covered by Fe-oxides and manganite[2], or ...
S. Bernardini, A. Abbassi, F. Bellatreccia, P. Cipollari, D. Cosentino, M. del Gallo, E. Mugnaioli, A. Sodo, M. N. Zaghloul   +8 more
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Computer axial tomography investigation of polymetallic nodules

Marine Geology, 1997
Abstract Polymetallic nodules collected from the Clarion-Clipperton region of the North Pacific Ocean have been investigated by using a SIEMENS SOMATROM HiQ computer tomograph. The reconstructed tomographies show much details in the internal structure of the nodules, such as nucleus shape and origin, primary and secondary growth surfaces, highly ...
O.G. Duliu, M.S. Tufan, S.A. Szobotka
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