Results 111 to 120 of about 398 (170)

Long-term impact and biological recovery in a deep-sea mining track. [PDF]

Nature
Jones DOB, Arias MB, Van Audenhaege L, Blackbird S, Boolukos C, Bribiesca-Contreras G, Copley JT, Dale A, Evans S, Fleming BFM, Gates AR, Grant H, Hartl MGJ, Huvenne VAI, Jeffreys RM, Josso P, King LD, Simon-Lledó E, Le Bas T, Norman L, O'Malley B, Peacock T, Shimmield T, Stewart ECD, Sweetman AK, Wardell C, Aleynik D, Glover AG.   +27 more
europepmc   +1 more source

Two new Caymanostella species discovered at deep-sea wood falls in the Clarion Clipperton Fracture Zone. [PDF]

Sci Rep
Christodoulou M, Mah C, Martinez Arbizu P.   +2 more
europepmc   +1 more source

The Tubotomaculum Enigma and the Rise of Benthic Life During the Opening of the Western Mediterranean Basin. [PDF]

Geobiology
Bernardini S, Abbassi A, Cipollari P, Ventura GD, Saiz-Jimenez C, Mugnaioli E, Jovane L, Sodo A, Bellatreccia F, Zaghloul MN, Cosentino D.   +10 more
europepmc   +1 more source

Metal Release from Manganese Nodules in Anoxic Seawater and Implications for Deep-Sea Mining Dewatering Operations. [PDF]

ACS ES T Water
Xiang Y, Steffen JM, Lam PJ, Gartman A, Mizell K, Fitzsimmons JN.   +5 more
europepmc   +1 more source

Discovery of α-PtO2 nanoparticles in deep-sea ferromanganese deposits: a hidden platinum sink

Liao J, Li Y, Léger J, Koschinsky A, Dejoie C, Gaillot A, Snigireva I, Giacomelli A, Steinmann SN, Mathon O, Manceau A.   +10 more
europepmc   +1 more source

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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
openaire   +1 more source

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
openaire   +1 more source

Exploration for polymetallic nodules in the Indian ocean

Ocean Development & International Law, 1988
Abstract A study of polymetallic nodules in the Indian Ocean taken up as an R & D Project has been extended into an exploratory programme for nodule resources. Recognition of India as a Pioneer Investor by the UNCLOS led to the acceleration of the programme to meet time targets. Planning and coordination ensured accuracy and success of the programme by
H.N. Siddiquie, P.S. Rao
openaire   +1 more source

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
openaire   +1 more source

Marine biominerals: perspectives and challenges for polymetallic nodules and crusts

Trends in Biotechnology, 2009
Deep sea minerals in polymetallic nodules, crusts and hydrothermal vents are not only formed by mineralization but also by biologically driven processes involving microorganisms (biomineralization). Within the nodules, free-living and biofilm-forming bacteria provide the matrix for manganese deposition, and in cobalt-rich crusts, coccolithophores ...
Xiaohong, Wang, Werner E G, Müller
openaire   +2 more sources