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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... -
Description and iron and manganese content of ferromanganese nodules from One...
Ferromanganese nodules in the deep-sea and in freshwater lakes usually accrete layers rich in manganese oxides alternating with layers rich in iron oxides. The mechanism... -
Description and chemical composition of ferromanganese nodules from Station 1...
226Ra is used to document the growth histories of six manganese nodules from Oneida Lake, New York. Detailed sectioning and analysis reveal that there are discontinuous... -
Description and chemical composition of ferromanganese deposits from Oneida L...
Saucer-shaped iron-manganese crusts occur adjacent to gravel shoal areas in Oneida lake in central New York. The crusts usually have a crude concentric banding owing to an... -
Description of, and 238U, 234U, 232Th and 230Th measurements on a nodule from...
Two diagenetic manganese nodules from the Peru Basin were investigated by thermal ionization mass spectrometry and high resolution alpha spectrometry for uranium and thorium.... -
Description and chemical composition of ferromanganese deposits from Trout La...
Sediments were collected with Eckman and Petersen dredges from the bottom of Trout Lake, northern Wisconsin, at 221 stations. Sampling was done with a spud sampler at 32... -
Description and 238U, 234U, 232Th and 230Th measurements of the manganese nod...
Thorium and uranium isotopes were measured in a diagenetic manganese nodule from the Peru basin applying alpha- and thermal ionization mass spectrometry (TIMS). Alpha-counting... -
Description and chemical composition of the fossil manganese nodules of the C...
This paper is based upon data collected during the summers of 1912 and 1913. Mr. A. O. Hayes and Prof. van Ingen of Princeton University, while making a study of the general... -
Annotated record and spectrochemical analyses of Mn nodules from Georgia Stra...
A study of the distribution, dispersal and composition of surficial sediments in the Strait of Georgia, B.C., has resulted in the understanding of basic sedimentologic... -
Analysis of Mn-deposits from Lake Eningi-Lampi
The processes of formation of iron-manganese nodules and crusts have been studied on an example of the Eningi-Lampi lake, Central Karelia, where the relationships between the... -
Investigation of Mn deposits from the Coral Sea
The GEORSTOM III CENTRE expedition on the R/V Noroit surveyed the Coral Sea around the New Hebrides Islands and the Erromango Plateau from 17 until 26 October 1975. This report... -
Analysis of Mn-nodules from Breitgrund, Baltic Sea
The usually high concentrations of Zn, Pb, Cd, and Cu in the most recently accreted portions of ferromanganese nodules from the western Baltic Sea are thought to reflect...
