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Nodule analyses of VA 04 (R/V Valdivia) samples, done at the Scripps Institut...
Some cores and samples of the VA 04 (R/V Valdivia) expedition were placed in the SIO Collections by Gustav Arrhenius in 1976. The associated nodules analyses were later included... -
Analysis of Mn-nodules from the Indian Ocean
This report studies the principal paramters governing the distribution of iron-manganese concretions on the sea floor of the Indian Ocean, as well as their petrography and... -
Analyses of manganese deposits in the Riding Mountain area
Several bog manganese deposits were discovered in the Riding Mountain area in Manitoba during the spring and summer of 1940. A study was made of the known deposits to determine... -
Composition of fossil manganese nodules from Costa Rica
Horizons of several types of Upper Jurassic to Lower Cretaceous manganese nodules occur locally in sequences of radiolarian cherts within the Nicoya Ophiolite Complex (NW Costa... -
Detailed measurements of radium inside a nodule of Albatross 1899-1900 - for ...
Thanks to the courtesy of the British Museum of Natural History the author obtained from their Challenger collections two small nodules, and through a similar courtesy of the... -
Chemical composition and description of a ferromanganese crust, sample 89D, o...
A manganese oxide encrustation (2.5 kg) was dredged, in an island arc setting, downslope of Bertrand bank, a seamount culminating at 70-m depth and located NNE of Grande-Terre,... -
Metal content of nodules at Sea Scope stations based upon different analysis ...
Information on possible resource value of sea floor manganese nodule deposits in the eastern north Pacific has been obtained by a study of records and collections of the 1972... -
Description and chemical composition of manganese nodules collected during Ha...
The cores and dredges described in this report were taken on the KH-72-2 Expedition in October-December, 1972 by the Ocean Research Institute, University of Tokyo from the R/V... -
Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast...
Manganese nodules from 36 stations in the Cape Leeuwin field were analyzed for Mn, Fe, Ni, Cu and Co and the results were combined with earlier work to demonstrate quantitative... -
Description and chemical composition of manganese deposits during the deep-se...
This monograph forms the fourth part of the tenth volume of the scientific results of the voyage of the German exploring ship Valdivia in the Atlantic and Indian Oceans, made... -
Description and geochemical composition of manganese nodules retrieved from L...
A large deposit of ferromanganese oxide coated sands and scattered manganese nodules occurs in the northern portion of Lake Ontario. The Mn and Fe contents of the concretions... -
Description and chemical composition of manganese nodules collected in the Pa...
Chemical and X-ray analyses were performed on the fifteen manganese nodules collected from the Pacific Ocean floor. The results were discussed compared with the previous data on... -
Description and chemical composition of manganese nodules in a core located i...
Three nodules from a core taken north of Puerto Rico are composed chiefly of an x-ray amorphous, hydrated, iron-manganese oxide, with secondary goethite, and minor detrital... -
Chemical composition of the soluble fraction of oxidate portions of Lakes She...
Shebandowan Lakes, Ontario, are the site of at least 49 shallow (2-12 m) ferromanganese concretion deposits, widely distributed throughout the 48 km of the watercourse. X-ray... -
Chemical composition of Lake George (New York) iron-manganese nodules and und...
Lake George, New York, is the site of a new discovery of iron-manganese nodules. These nodules occur at a water depth between 21 and 36 m along a stretch of lake extending for... -
Detailed description, geochemistry and radioactivity of manganese nodules tak...
During the 33th voyage of the R/V "Vityaz" in the Indian Ocean iron-manganese nodules were collected at several stations. Both nodules and associated sediments were analysed by... -
Chemical composition of manganese nodules from the Southern Pacific
Deep sea manganese nodules from the Southern Ocean have been studied using chemical analysis, X-ray diffraction, optical mineragraphic and electron probe microanalysis... -
Annotated record and chemical composition of iron-manganese nodules from the ...
Iron-manganese concretions, closely related to lacustrine ores and deep sea manganese nodules, are presently forming in different parts of Gulfs of Bothnia and Finland. They can... -
Description and chemical composition of ferromanganese encrustations and depo...
Chemical and mineralogical compositions of ferromanganese oxide coatings on rocks dredged from the New England Seamounts, the Sierra Leone Rise and the Mid-Atlantic Ridge near... -
Geochemical composition of a representative collection of manganese nodules a...
Chemical analyses were performed on seveteen manganese nodules collected from the Pacific Ocean floor. The results were discussed compared with the previous data on the...