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Analysis of manganes deposits of Leg 23
Located on the Arabian Abyssal Plain near its southernmost termination, this site recorded continuous Middle Eocene through Pleistocene deep-water sedimentation above oceanic... -
Analysis of manganes deposits on Leg XV
The sediments of Leg 15 included several noteworthy occurrences of authigenic, volcanic and continentally derived minerals. Of these, the occurrence of native copper in pelagic... -
Analysis of manganese nodules of the Scripps collection
The Marine Minerals Database contains geochemical analyses and auxiliary information on present-day marine deposits of primarily ferromanganese nodules and crusts. Some data... -
Composition of ferromanganese nodules from the Pacific
Bulk composition of ferromanganese nodules from the pelagic environment of the Pacific Ocean is apparently related to nodule-growth rate, sediment-accumulation rate, and... -
Analysis of ferromanganese nodules from the North Pacific
10Be, U and Th isotopes, Ra, 210Pb, Mn, Fe and several trace elements are measured in the hydroxylamine hydrochloride leachates and residues of two ferro-manganese nodules... -
Analysis of ferromanganese deposits from the West African margin and the Medi...
The microstructures observed in the hydrogenetic ferromanganese crusts of neogene age sampled on the West African margin of the Central and Equatorial Atlantic are laminated.... -
Be10 and U-series isotopes in manganese from the Central North Pacific
The exponential decreases with depth of 10Be , 230Th and 231Pa in two manganese nodules from the central North Pacific is interpreted in terms of slow growth of the nodules: at... -
Analysis of polymetallic micromineralization in pelagic sediments
Mineralogical and chemical analysis of an Eastern Pacific core has been conducted in the context of a study of mineralisations in pelagic sediments; the data point out the... -
Annotated record and chemical analysis of manganese nodules from R/V Moana Wa...
Cruise Mn-74-02 of the R/V MOANA WAVE was the second part of the field work of the NSF/IDOE Inter-University Ferromanganese Research Program in 1974, and we gratefully... -
Description of Mn deposits and chemical composition of altered pelagic sedime...
The object of the detailed investigations was an unusual material collected in the region of the Southern Basin of the Pacific Ocean floor, with features of intense... -
Chemical composition of manganese micronodules from expedition VA-05/1 in the...
A radioisotope energy-dispersive X-ray (EDX) system has been used on board the German research vessel "Valdivia" during an exploration expedition in the northern equatorial... -
Chemical composition of manganese nodules and a ferromanganese crust using di...
In the 1960s and 1970s, the Kennecott Corporation conducted a number of activities in the evaluation of manganese nodule deposits as well as in their possible hydrometallurgy.... -
Chemical composition of nodules from two locations in the Pacific Ocean using...
Manganese nodules recovered in the Pacific Ocean by the U. S. Bureau of Mines and by DeepSea Ventures Ltd. are studied for their chemical composition using X microprobe and... -
Potassium and Argon data for dating the core, and radiochemical data of a ser...
Although various models have been proposed to explain the origin of manganese nodules (see Goldberg and Arrhenius), two major hypotheses have received extensive attention. One... -
Chemical composition of ocean manganese nodules from the Pacific Ocean using ...
Mineralogical and chemical analyses performed on 67 ferromanganese nodules from widely varying locations and depths within the marine environment of the Pacific Ocean indicate... -
Annotated record and chemical composition of Mn deposits from R/V Mahi Cruise...
A University of Hawaii oceanographic cruise, Abyssal Hills 69, with the R/V Mahi, was carried out to study the association of manganese nodules with an abyssal hill. Manganese... -
Chemical composition of ocean manganese nodules from the Pacific Ocean
This collection includes data on the chemical composition of ocean manganese nodules from the Pacific Ocean obtained with different methods. From 1983 until 1989 NOAA-NCEI... -
Geochemistry and descriptions of manganese nodules and crusts retrieved from ...
The book is a compilation of all available data at the time of publication (1965) on the subject of marine minerals together with the author's original ideas regarding their... -
Chemical composition and rate of accumulation of manganese nodules in the wes...
The major and some of the minor constituents and the rate of accumulation of manganese nodules in the western North Pacific were determined. Manganese concentration in the... -
Annotated record and chemical composition of ferromanganese concretions and c...
The main objective of the project was to develop a geochemical method for exploration of ores associated with granitic rocks. Fe and Mn oxidates were sampled in streambeds and...