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Observation of manganese deposits in the Southern Ocean during the R/V Polars...
On a previous R/V Polarstern cruise ANT-VIII/5 (1989/90), a deep-sea area in the central Weddell Sea was investigated along geophysical and bathymetrical transects. As a result,... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 29 ...
Manganese nodules, micronodules, and crusts were encountered in surface sediments, and at depth, in 6 of the 10 sites drilled during DSDP Leg 29 south of New Zealand and... -
(Table 1, page 310), Lake Michigan manganese nodules chemistry
Nodules were dried at 90°C for 48 hours and ground to a fine powder.From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal... -
Chemical composition of oxide-phosphorite pavement from the Blake Plateau und...
Sample preparation technique is critical for valid chemical analyses. A main source of error comes from the fact that the great specific surface area of crusts or nodules... -
Radiochemical data for layers inside a buried manganese nodule from core CH71...
Radiochemical analyses have been performed on micro-samples extracted from various surface and inside layers of a buried manganese nodule recovered from core CH71-09 at a depth... -
Radiochemical data for sediments of cores CH71-08 and CH71-09, HARMATTAN camp...
Radiochemical analyses have been performed on 500 mg of each carbonate rich sediment sample (i.d., carbonaceous clay or mud) and 2 g for carbonate devoid samples (i.d.,... -
Beryllium isotopes composition of layers from the bottom side of Mn nodule SO...
Attempts have been made to study the entire growth history of a manganese nodule from the northern part of Peru Basin in the Pacific using radiochemical profiles of 230Th232Th,... -
Beryllium isotopes composition of layers from the top side of Mn nodule SO11_...
Attempts have been made to study the entire growth history of a manganese nodule from the northern part of Peru Basin in the Pacific using radiochemical profiles of 230Th232Th,... -
(Tables 1, page 1384) Osmium concentration and isotopic composition of North ...
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other...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 1, page 1384) Osmium concentration and isotopic composition of North ...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Table 2-3, page 64) Bulk chemical composition of a Co-rich ferromanganese 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... -
Annotated record of the detailed examination of a ferromanganese crust retriv...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
(Table 1-2 and 3, page 797-798 and 799) 10Be, U, Th and Pa analyses for layer...
Uranium, Thorium and Palladium measurements were done using an alpha-spectrometry technique described in : Ku, T.L., Broecker, W.S., 1969. Radiochemical studies on manganese... -
(Table 2, page 308) 9Be concentration, specific activty of 10Be and 10Be/9Be ...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Element and isotope composition of light noble gas in marine ferromanganese n...
The authors have measured element and isotope compositions of He and Ar gases in 10 nodules dredged from Mariana Trough (opening back-arc basin) and the Ogasawara region on the... -
Intercomparison of 10Be measurements by decay and Accelerator mass spectromet...
Cosmogenic beryllium-10 activities have been measured in marine accumulations of up to about 6 m.y age by conventional beta counting technique and by accelerator mass... -
(Table 1, page 418) 10Be measurements inside a ferromanganese crust of the At...
The growth rate of a manganese nodule from the South Atlantic Ocean (Rio Grande Ridge) has been determined using a 10Be profile as measured with a Tandem Van de Graaff... -
(Table 1, page 641) Hf isotope time series for the uppermost part of a ferrom...
The Hf isotope composition of seawater does not match that expected from dissolution of bulk continental crust. This mismatch is generally considered to be due to retention of... -
Analysis of Mn-crusts from Dove Ridge
Dove Basin is situated in the south-central Scotia Sea, between Pirie and Bruce banks, and was formed during the development of the Scotia Arc. The basin has a roughly sigmoidal... -
Annotated record of the detailed examination of Mn deposits in the Amundsen a...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other...
