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(Table 1, page 24), Geochemical cmposition of nodules and crust from the Inda...
Mineralogical analysis of manganese nodules and crusts collected from Indian ocean aboard Marion Dufresne points to a depth and regional control upon the manganese oxide... -
(Table 3, page 309) Mercury content of concretions from Grand Lake (GL) and S...
Ferromanganese concretions from Grand Lake and Ship Harbour Lake in Nova Scotia and Mosque Lake in Ontario are most common in water 0.5 to 2 m deep. X-ray diffraction studies... -
(Table 1, page 605) Chemistry of concretions from Grand Lake (GL) and Ship Ha...
Studies by optical microscopy, x-ray diffraction, and electron probe techniques of ferromanganese concretions from three Canadian lakes reveal chemical banding of amorphous... -
Chemical composition of a P2O5 rich concretion from the Challenger expedition...
Among the geological discoveries of the end of the 19th century, one of the most remarkable and certainly most important from the economic point of view, is that lime phosphate... -
Annotated record of the detailed examination of Mn deposits from NEMROD cruis...
The cores and dredges described at this site were taken on the NEMROD cruise from 29 July until 3 September 1977 by the MusÈum National d'Histoire Naturelle from the R/V Marion... -
Annotated record of the detailed examination of Mn deposits from MONSOON Expe...
The cores described in this report were taken on the MONSOON Expedition in August 1960 to April 1961 by the Scripps Institution of Oceanography from the R/V Argo. A total of 152... -
Annotated record of the detailed examination of Mn deposits from DOWNWIND Exp...
The cores described in this report were taken on the DOWNWIND Expedition in October 1957 to February 1958 by the Scripps Institution of Oceanography from the R/V Spencer F.... -
Manganese nodule geochemistry from the Challenger Expedition
C. W. Gümbel received nodules from J. Murray which were collected at a depth of 2740 fathoms, between Japan and the Sandwich Islands, by the "Challenger" Expedition. They were... -
Chemical composition of manganese nodules from the Challenger Expedition
The samples were dried in the air (in vacuo) and then dessicated at "red heat".From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from... -
(Table, page 13-59), Annotated record of the detailed examination of Mn depos...
The cores described in this report were taken on AMPHITRITE Expedition in Decenber 1963 - February 1964 by Scripps Institution of Oceanography from, the R/V Argo. A total of 148... -
(Table, pages 50-80), Chemical analyses of sediments underlying manganese nod...
The investigation of the sediments at the bottom of a lake provides a record of past geologic and climatic events that have influenced the lake and its associated drainage... -
Geochemistry of some manganese nodules
The manganese nodules occur in greater or less quantity all over the ocean-bed, and most abundantly in the Pacific. They occur in all sizes, from minute grains to masses of a... -
(Table 2, page 725) Solid phase chemistry of ferromanganese precipitates from...
Sediments associated with freshwater ferromanganese concretions in Lake Charlotte, Nova Scotia, contained microscopic precipitates of manganese and iron. These precipitates were... -
(Table, page 500) Geochemistry of a pancake-shaped concretion from lake Charl...
A pancake-shaped concretion from Ship Harbour Lake, a small freshwater lake in eastern Nova Scotia (now named Lake Charlotte) is part of collection sent to the National Museum... -
(Table 11-I, page 338) Metal contents (%) of a representative sampling of man...
Two types of deep-sea dredges are currently under development for the mining of the manganese nodules, a deep-sea hydraulic dredge and a mechanical cable-bucket system. Both... -
(Table 1) Contents of tungsten and other metals in Fe-Mn nodules from the Pac...
Tungsten contents in iron-manganese nodules and crusts from different parts of the World Ocean, as well as its relationships with a number of chemical elements are under... -
(Table 2) Chemical composition of Fe-Mn nodules and volcanic glass in sedimen...
Distribution pattern of titanium in Quaternary sediments of the Atlantic Ocean are examined on the base of 750 Ti and Fe determinations, and several dozen of complete chemical... -
Chemical composition of Fe-Mn nodules from the Kara Sea
Data on mineral and chemical compositions of Fe-Mn nodules sampled in Cruise 49 of R/V Dmitry Mendeleev. From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals... -
Investigation of manganese deposits from the Pacific and Atlantic oceans
Submersible exploration on the eastern Pacific Ridge near 21 ° N has revealed an active hydrothermal system. It is manifested by the emission in the marine environment of hot... -
Geochemistry on Manganese nodules from the Indian Ocean
Manganese nodules from a wide range of marine environments have been analysed for a series of elements by optical spectrography, atomic absorption spectrophotometry and mass...
