130 datasets found

During the MIDPAC IIA (SO33) expedition the chemical metal composition of ferromanganese samples in major and selected trace elemnts was determined by the Technical University...

The dredges described in this report were taken on the R/V Sonne during the MIDPAC 2A (SO33) expedition in July-August 1984 by the Technical University of Clausthal-Zellerfeld...

Ferromanganese crusts were selected from two cruises performed by R/V Moana Wave in early 1986 and 1987 within territorial waters of the Cook Islands, Kiribati, Tuvalu and...

During the campaign SO23/2 (R/V Sonne) in the South China sea various manganese deposits were retrieved by dredging. Two representative samples were selected for chemical...

During the campaign SO23/2 (R/V Sonne) in the South China sea various manganese deposits were retrieved by dredging. Two representative samples were selected for chemical...

Co-rich manganese crusts were retrieved during the SO33 (MIDPAC IIa) expedition of R/V Sonne. They were analysed for their chemical composition using X-ray fluorescence both on...

Recent studies on marine ferromanganese nodules have suggested a relationship between their growth rate and their chemical composition. The suggestion is based on the hypothesis...

Initial data on the hydrogen-isotopic compositions in hydrous Mn minerals from various occurrences fall in a wide range from -298 to -84 per mil, relative to SMOW. DeltaD-values...

Data comes from the NGDC database, https://www.ngdc.noaa.gov/. From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles,...

Chemical composition of manganese nodules and crust collected from the Hakurei Maru Cruise GH74-5, September-October, 1974, in the Eastern Central Pacific Basin by the...

The cores and dredges described in this report were taken on the GH74-5 Expedition in September-October, 1974 by the Geological Survey of Japan from the R/V Hakurei Maru. A...

In the GH77-1 cruise, manganese nodules were obtained from 31 stations among 37 total ones. Here are reported the preliminary results of the observation mainly done on-board....

Manganese nodules collected from three areas (C, F, and G) on a N-S equatorial Pacific transect at 134° W by R. V. Sonne show differences in size, morphology, surface density...

This report of the GH77-1 cruise includes mainly the results of the on-board surveys and observations in the survey area of the medial-western part of Central Pacific Basin...

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...

Nodule samples obtained were described and studied on board for 1) observation of occurrence and morphology in and outside samplers, size classification, measurement of weight...

This report of the GH76-1 cruise mainly includes the results of the on-board observations in the survey area of the medial-eastern part of Central Pacific Basin (5 degree -10...

The research cruise SO79 with RV SONNE (April 18 to June 09 1992) aimed to assess the impact of a potential mining activity on the sensitive deep-sea ecosystem of the Peru...

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...

Between January 3 and February 15, 1979, geoscientific investigations off Northwest Australia (Exmouth Plateau, Cuvier Abyssal Plain, Wallaby Plateau) were carried out on SONNE...