Browsing PANGAEA by Subject "Manganese dioxide"

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Chemical and mineralogical investigations of the sediments of the Barents and White Seas (in Russian).

Gorshkova, Tatyana I (PANGAEA, 1931-06-06)

Fe-Mn aggregates are presented in the paper where flat and round concretions (from several mm to 10-12 cm in diameter) and Fe-Mn crusts on bivalves and polychaete tubes with different Fe-Mn ratio are described.
Nature of ferromanganese formations of the Laptev Sea.

Kalyagin, A N; Tishchenko, P Ya; Gukov, Aleksander Yu; Volkova, T L; Kurilenko, L N; Chichkin, R V (PANGAEA, 2001-05-30)

In sediments of the Laptev Sea unknown earlier ferromanganese manifestations have been found. On the basis of structural-textural external signs they have been divided to five groups: 1) tube- and spindle-shaped pseudomorphs ...

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