Reply to Boudreau: Morphologic expression of ferromanganese nodules
Author(s) -
Celeste A. Asikainen
Publication year - 2008
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.0802821105
Subject(s) - ferromanganese , protein expression , chemistry , biology , materials science , biochemistry , metallurgy , manganese , gene
The statement that nodule formation, especially morphology, can be predicted by the Boudreau diagenetic model led us to state that “diagenetic models that claim to predict nodule growth rate and morphologies from elemental concentrations (1) are not verified by our data” for Second Connecticut Lake (SCL), New Hampshire (2). Comments on metal gradients and elemental concentration of manganese (Mn) and iron (Fe) required for accretion and morphologic expression of ferromanganese nodules are in Boudreau's original paper (3). Yet, in his letter (4), Boudreau writes that elemental (metal) concentration is not discussed (1, 3). Nodule morphology and growth rates depend on water velocity, concentration of …
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