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Accumation rates of manganese in manganese nodules using total alpha activity
The manganese content of 4 manganese nodules was determined by atomic absorption. The decrease of total alpha activity was used to evaluate Mn accumulation. Because CaCO3 is a... -
(Table 1, page 287) Chemical composition of ocean manganese nodules from the ...
Samples were dried for 24 hours at 60° C.From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and... -
(Table 1, page 1218) Potassium and Argon data for dating the core of various ...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Pages 133-183) Bottom photographs of manganese nodules fields and crusts obs...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Illustrations of typical manganese deposits recovered from the Pacific Ocean
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Tables 2, page 210) Multiple measurements of the chemical composition of man...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Tables 1b, page 210) Chemical composition of manganese nodules and crusts re...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Tables 1a, page 210) Detailed chemical composition of a manganese nodules cr...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Mercury contents of selected marine manganese nodules
Manganese nodules were selected from various areas of the Pacific, Indian and Atlantic ocean. They were analysed using a mercury vapour discharge technique. The minimum... -
(Tables 1, page 287) Chemical composition of manganese nodules from the Pacif...
Bulk composition of ferromanganese nodules from the pelagic environment of the Pacific Ocean is apparently related to nodule-growth rate, sediment-accumulation rate, and... -
(Table 2, page 1052) Palladium, iridium and gold contents of some oceanic man...
The abundance and distribution of palladium, iridium and gold has been determined in manganese nodules from widely varying locations and geological environments within the... -
Chemical composition of ocean manganese nodules using X-ray fluorescence anal...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Chemical composition of ocean manganese nodules using wet chemistry (previous...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Chemical Analyses of manganese nodules ferromanganese crust from the World Ocean
Using X-ray fluorescence spectrometry major and trace elements have been estimated over a larhe variety of manganese nodules and crusts from th Pacific and the Indian Ocean. Of... -
(Table 1, page 1376) Chemical analyses of manganese nodules and crusts from t...
A compilation of chemical analyses of Pacific Ocean nodules using an x-ray fluorescence technique. The equipment used was a General Electric XRD-5 with a tungsten tube. Lithium... -
(Table 2, Page 252) Average chemical composition of 11 manganese nodules and ...
The ability of the hydrated oxides of manganese and iron to adsorb ions from solution (scavenging) is considered in relation to some problems in marine geology, chemistry, and... -
(Table 2, page 2172) Chemical analytical data on thirty-two manganese nodules...
Mn, Fe, Ca, Co, Ni, Cu, Zn, Cd, Sn, Tl, Pb and Bi have been estimated in thirty-two nodules from the Pacific, Atlantic and Indian oceans. Various features about the composition... -
(Table 1, page 754) Estimated concentrations of various elements in nineteen ...
Using spectrochemical techniques Fe, Si, Mg, Co, Ni, Cu, V, Mo, Ti and Tl have been estimated in nineteen manganese nodules, eight from the Atlantic ocean, seven from the... -
(Plate 3) Manganese nodules and deep-sea sediment core from Pacific Ocean
A synoptic review of the studies of well-known occurrences of palagonite tuffs is presented. Included are palagonite tuffs from Iceland, and pillow-lava palagonite complexes... -
(Table 5, page 206) The uranium contents of some manganese nodules
The uranium concentrations in marine calcareous material of a biological origin varied between 0.0X and 0.X p.p.m. with the exception of corals which had concentrations of...