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(Table 2, page 156), The comparison of heavy elements in manganese nodules
The comparison of Mn/Fe, Co/Ni, Co/Fe, Ni/Mn, and Cu/Fe ratios is presented and it is noticed that Co/Ni and Ni/Mn ratios of nodules fairly coincide with those of coexisting... -
(Table 19, page 199) Geochemistry of two ferromanganese nodules embedded in a...
In the region near Taormina, Sicily, the Mesozoic sedimentary veins which contain fillings have various ages ranging from Dogger-Malm until Paleocene-Ypresian. One can observe... -
(Table 3, page 264), Composition of a manganese micronodule found in a fossil...
Chemical analyses are presented for two Cretaceous clays from Noil Tobee, Timor. Mineralogical examination has shown that they consist principally of quartz, feldspar, illite... -
(Table, page 95) Chemistry of bog manganese concretions and wad from the Colu...
Bog manganese was long ago reported from various places in Columbia county (1:54) and it seemed well to reexamine these occurrences. According to W. W. Mather in his report of... -
(Table 2, page 10) Bulk spectroscopic, X-ray fluorescence and colorimetric an...
The Bedford Institute of Oceanography provided ship time on the C.S.S. Hudson during the B.I.0. 1967 Metrology and IODAL Cruise for surveying two separate bottom features in the... -
(Table 1, page 262) Chemical data on the major- (wt. %) and minor (ppm) eleme...
Dark crusts and concretions on volcanic and calcareous rocks dredged from seamounts west of the Aeolian Islands, southern Tyrrhenian Sea, consists mainly of amorphous Fe-Mn... -
Chemical composition of ferromanganese nodules from the Western Sicily Jurass...
The stratigraphic study focuses on the description of lithofacies and geological sections of secondary, tertiary and quaternary formations in different parts of western Sicily.... -
Description of the fossil manganese nodules found in the Oligocene clay depos...
In the green Oligocene clay of Krizanovice (former Krzyzanowicz) the author found numerous black nodules. In the 3-4 centimeter thick black crust of a particular specimen the... -
(Table XVI-2, Page 164)Chemical composition of manganese nodules collected in...
Sixty-eight manganese nodules from sixteen different stations and an additional two nodules were analyzed for major and some minor elements, and the chemical characteristics of... -
Chemistry of manganese concretions from the White Sea
Fe-Mn aggregates are presented in the paper where flat and round concretions (from several mm to 10-12 cm in diameter) and Fe-Mn crusts on bivalves and polychaete tubes with... -
Average chemical composition of lake ores of Finland and North-Eastern Russia...
According to Solitander C. P., the extraction of lake ore from Eastern Finland lakes considerably rose in the 1870 - 1880 period in relation with the increasing demand from the... -
(Table 1, page 222) Chemical composition of an encrustation from a seamount i...
Morphological, mineralogical and chemical analysis are reported for a metalliferous encrustation from a seamount in the Gulf of Guinea, South Atlantic. The results are compared... -
(Tables 1-2, pages 107-108) Chemical composition of Hawaiian soil concretions...
Manganiferous soil concretions have been located in pineapple and sugar cane plantations of the Schofield Plateau, Oahu, and black manganiferous coatings on the surface of... -
(Table, page 49) The composition of soil manganese concretions from Oahu Isla...
The island of Oahu is made up of two almost parallel mountain ranges, the Koolau on the east and the Waianae on the west, with a sloping plateau of about 10 miles in width and... -
(Table 1, Page 518) Bulk chemical composition of a ferromanganese crusts from...
Little is known about the abundance, distribution and origin of the precious metals in marine ferromanganese materials, although it has long been recognized that elements such... -
(Table 1, page 41), Chemical and radiocativity analysis of manganese crusts f...
The trace element content of different bog ores has been measured and it appeared that most of these elements are enriched in the manganiferous bog ores as compared with the... -
(Tables 4-5, page 160) REE contents in ferromanganese concretions from the Gu...
Ferromanganese concretions from the Svalbard shelf in the Barents Sea show slightly convex shale-normalized REE patterns with no Eu anomalies. Concretions from the Gulf of... -
(Table 2, Page 106-107) Composition of the HCl-soluble fraction in Barents Se...
Ferromanganese concretions from ten stations in the Barents Sea have been analysed for 24 elements. The deposits occur as discoidal and flat concretions and as coatings, in the... -
(Table 1, page 258) Chemical composition of 24 concentric layers inside manga...
The minor-element composition of concentric layers within a single ferromanganese nodule from the eastern North Pacific exhibits strong correlations with Fe and Mn contents but... -
(Table 1, page 1169) Chemical composition of land (fossil) manganese deposits...
Chemical, x-ray and other data are given for todorokite, (Mn, Mg, Ca, Ba, Na, K)2.Mn5O12.3H2O, from Charco Redondo, Cuba, Farragudo, Portugal, and Hüttenberg, Austria....
