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References (3)
-
F. Chukhrov (1982)
Mineral forms of manganese and iron in oceanic sedimentsInternational Geology Review, 24
-
F. Chukhrov, A. Gorshkov, V. Beresovskaya, A. Sivtsov (1979)
Contributions to the mineralogy of authigenic manganese phases from marine manganese depositsMineralium Deposita, 14
-
Kexin Guo (1983)
Electron diffractograms
- Publisher
- Wiley
- Copyright
- Copyright © 1993 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 1000-9515
- eISSN
- 1755-6724
- DOI
- 10.1111/j.1755-6724.1993.mp6001003.x
- Publisher site
- See Article on Publisher Site
Abstract
Abstract Manganese minerals in the polymetallic nodules from the Central Pacific Ocean were studied using electron microscopy. The principal Mn minerals, being vernadite and todorokite, exhibit different electron diffraction patterns and morphological features. According to its morphological feature, todorokite shows three phases: fibrous, lamellar and lath‐shaped. Both vernadite and todorokite are authigenic minerals. While vernadite was mainly precipitated directly from the relevant solution by microbiological oxidation, todorokite was separated from the solution chemically without the help of microbe. Hence, these two minerals show a close genetic relation.
Journal
Acta Geologica Sinica (English Edition) – Wiley
Published: Jan 1, 1993
Keywords: ; ; ;