Ore potential of the Marcus-Wake rise (Central Pacific) |
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| Authors: | G V Novikov M E Mel’nikov L I Lobkovsky O Yu Bogdanova N O Sorokhtin |
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| Institution: | 1. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia
2. Yuzhmorgeologiya, Gelendzhik, Russia
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| Abstract: | The data on the geological structure of different guyots on the Marcus-Wake rise with cobalt-bearing Fe–Mn crusts are discussed. Crusts are represented by three-layer aggregates composed of one lower phosphatized (I-1) and two upper non-phosphatized (II and III) layers. Fe-vernadite and Mn-feroxygite are the major ore minerals in all studied crusts and their layers. Small contents of vernadite, asbolane–buserite, and goethite are registered. Crusts of guyots on the rise are characterized by a stable concentration of heavy and rare metals (Cotot, Ni, Cu, Zn, Pb, Mo, and Cd) independently of their latitudinal location. |
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