Niino, Hiroshi (1955): Analyses of Manganese nodules off Izu Island. PANGAEA, https://doi.org/10.1594/PANGAEA.859392, Supplement to: Niino, H (1955): On a manganese nodule and Perotrochus beyrichii dredged from the banks near the Izu Islands. Records of Oceanographic works in Japan, 2(2), 120-126, hdl:10013/epic.47489.d001
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Manganese nodules have been found by the author in the shallow waters of the Hyotan-se bank west of Shikime-jima, an island of the Izu archipelago in the Sea of Japan. The slopes around the bank are steep and rocks are exposed; gravels and coarse material cover the broad and flat plain on its top; andesite and basalt, which are very common in the bedrock, are found mingled with liparite gravels together with a number of manganese concretions from the bank.
Source data set:
Latitude: 34.385000 * Longitude: 139.088000
Datasets listed in this publication series
- Niino, H (1955): Annotated record of the detailed examination of Mn deposits observed around the Izu Islands during surveys from 1953 until 1955. https://doi.org/10.1594/PANGAEA.859391
- Niino, H (1955): Chemical composition of a manganese nodule from the sea of Japan off Izu Islands. https://doi.org/10.1594/PANGAEA.859267