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A Study of the Growth Morphologies of Two Deep-Sea Manganese Meganodules

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Title: A Study of the Growth Morphologies of Two Deep-Sea Manganese Meganodules
Authors: Morgenstein, Maury
Issue Date: Jul 1971
Publisher: University of Hawai'i Press
Citation: Morgenstein M. 1971. A study of the growth morphologies of two deep-sea manganese meganodules. Pac Sci 25(3): 308-312.
Abstract: The morphologies of manganese are numerous;
commonly, they are classified as: micronodules,
meganodules, crusts, botryoidals, and
agglomerates. Within these classes are numerous
shape categories. The purpose of this paper is
to describe two, shape and surface-texture categories
for manganese meganodules taken in a
dredge (V16-SBT3) by Lamont-Doherty Geological
Observatory near the Mid-Atlantic
Ridge, at lat. 13°04' S, long. 24°41 ' W, in
4,700 meters water depth . Septarian concretionary
features were observed on the bulk of the
nodules, as were concentric manganese ring
growths around rock centers, constituting the
first known occurrence of this morphology in
deep-sea sediments.
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 25, Number 3, 1971

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