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Major and trace elements geochemistry of manganese nodules from WAHINE expedi...
The bulk chemical compositions of ferromanganese nodules recovered from 14 of 38 sediment cores collected from a 230 km2 area of abyssal hill topography in the northern... -
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... -
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... -
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... -
(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 ferromanganese crusts recovered in the South China Se...
Five ferromanganese crusts and 6 ferromanganese nodules samples collected by the Joint Chinese-West Germany Geophysical Investigation Team in May—June, 1987 during the SO49... -
(Table 1, page 215) Chemical composition Mn deposits from the Southern Oceans...
An extensive deposit of ferromanganese concretions has been investigated in the Southern Ocean around Antarctica, a region of particular interest in that it contains most of the... -
(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... -
(Table 1a, page 321) Chemical composition of Fe-Mn rich layers in the sedimen...
Thirty selected samples of pelagic and hydrothermal sediments retrieved on DSDP Leg 54 were chemically analyzed for major and minor oxide concentrations. Additionally, 11... -
(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... -
(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 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... -
(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 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 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, Appendix C) Metal content of nodules at Sea Scope stations based upon...
New information on possible resource value of sea floor manganese nodule deposits in the eastern north Pacific has been obtained by a study of records and collections of the... -
(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 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 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 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...