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Chemical composition of a manganese nodule from the Pacific Ocean
By means of spectrographic analysis 96 samples of marine sediments were analyzed quantitatively for V, Ti, Zr, Co, Ni, Sc, Cr, and La, and semi-quantitatively for Ba and Sr. Ca... -
(Table 1, pages 283), Elemental concentrations of ferromanganese crusts from ...
Ferromanganese crusts were sampled from the surface of a stone collected at a depth of 20 m in the northern part of Lake Biwa, Japan. These samples were analysed for 37 elements... -
(Table, page 8) Chemical composition of manganese nodules collected by RV Son...
A six-week geological cruise of the West German research vessel Sonne, under the auspices of the Australian-German Science Agreement, has yielded a considerable amount of... -
(Table 8.4, Page 220-223) Chemical composition of different growth structures...
In the nodule field of the Peru Basin, situated south of the zone of high bioproductivity, a relatively high flux of biogenic matter explains a distinct redox boundary at about... -
(Table 1, page 146) Iron, manganese and nickel contents of 21 ferromanganese ...
Ferromanganese nodules (equivalent to Recent manganese nodules) are described from the Upper Devonian griotte (red pelagic limestone) of the Montagne Noire (S. France) and the... -
(Table 1, Page 94) Elemental abundances in ferromanganese nodules and crusts ...
Ferromanganese deposits, mostly manganese crusts, are common in elevations along the northeastern Brazilian continental margin. Association of the deposits with more or less... -
(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 2, page 110) Chemical analyses of Mn crust samples from the Lametino S...
Specimens dredged from within the summit of a volcanic seamount during an oceanographic cruise in the Eolian Island Arc (South Tyrrhenian Sea) where examined. Mineralization,... -
(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... -
(Table 2, page 1376) Chemical analyses of manganese nodules and crusts from t...
Phosphate deposits which apparently formed during the Miocene climatic optimum are widespread on the Chatham Rise and Camp bell Plateau, and on seamounts in the north Tasman... -
Chemical Analyses of ferromanganese crust from the Alguhas Bank off South-Afr...
Phosphate-rich sediments are present on modern continental shelves off South West Africa on the Alguhas Bank. They are similar to those found on the Blake Plateau off the Esat... -
(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... -
Chemical composition of a manganese nodule from the Blake Plateau, Atlantic O...
The area surveyed during project AMC-11-67 was the portion of the Blake Plateau between latitude 30°00'N and 33°00'N and between the 100 to 1000 fathom curves. The survey was... -
(Table 1, page 215) Chemical composition Mn deposits from the Middle Jurassic...
The X-ray diffraction analyzes of two ferromanganese crust samples found at the base of the Klaus red Jurassic limestone beds of the Unterberg formation indicate pyrolusite as... -
(Tables 1-2, page 195) Chemical composition of ferromanganese crusts and asso...
Fragments of a hydrothermal deposit, partly moulded on pieces of basalt lava, were dredged from the edge of the median valley in the centre of the Gulf of Aden. The deposit... -
Chemical composition of a manganese crust from Upper Cretaceous formations of...
The described sample comes from an outcrop situated in the internal part of the Briançonnais area (Acceglio zone), on the right bank of the high Ubaye valley at 400 m North of... -
Major, trace and rare earth elements geochemistry of manganese nodules from t...
The distribution of rare earth elements (REE) in ferromanganese nodules from DOMES Site A has been determined by instrumental neutron activation methods. The concentrations of... -
(Table 1, pages 121-126) Major and minor element composition of sedimentary c...
The study of the chemical composition of DOMES Site C sediment was undertaken in order to establish important baseline parameters in the overall characterization of the... -
Major and trace elements geochemistry of manganese nodules from the DOMES, Si...
The major and minor element composition of ferromanganese nodules from DOMES Site A has been determined by X-ray fluorescence methods. Three phases appear to control the bulk...
