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Wiseman, J D H (1937): Description and illustrations of Mn deposits from the John Murray Expedition (R/V Mabahiss). PANGAEA,, Supplement to: Wiseman, JDH (1937): Basalts from the Carlsberg Ridge, Indian Ocean. In: Geological and Mineralogical Investigations, The John Murray Expedition 1933-1934 - Scientific Reports. British Museum ( Natural History ), London, United Kingdom, 3(1), 2-31, hdl:10013/epic.46160.d006

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During the cruise of the" Mabahiss" from Zanzibar to Colombo at Station 133 (1° 25' 54" S. to 1° 19' 42" S. and 66° 34' 12" E. to 66° 35' 18" E.) several small rock fragments were brought up in the Monegasque net; and, since at this position there is no possibility of the material being transferred by floating Ice, these specimens are of some interest as samples of oceanic rock foundations. All the rocks have a black appearance, but in the majority this skin is of negligible thickness. Exceptionally, however, it may attain to 1/3 in. (St. 133, 8), and then the specimens are rounded. The coating is made of dark opaque manganese material. At Station 166 one or two similar specimens of angular basalt were found in the trawl consisting mainly of manganese nodules.
Source data set:
Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA,
Further details:
Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA,
Median Latitude: 2.742500 * Median Longitude: 66.876667 * South-bound Latitude: -1.431667 * West-bound Longitude: 66.570000 * North-bound Latitude: 6.916667 * East-bound Longitude: 67.183333
Date/Time Start: 1934-02-15T06:00:00 * Date/Time End: 1934-04-23T00:00:00
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