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Titlebook: Geology and Offshore Mineral Resources of the Central Pacific Basin; Barbara H. Keating,Barrie R. Bolton Book 1992 Circum-Pacific Council

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樓主: 毛發(fā)
21#
發(fā)表于 2025-3-25 06:59:12 | 只看該作者
Differentialgeometrie und Faserbündeltrough axis exceeds 6600 m. Compilations and analyses of bathymetric, seismic, and geologic data of the trough and its adjacent areas reveal three discriminate acoustic layers: a transparent layer (Unit I), a semi-opaque layer (Unit II), and an opaque layer (acoustic basement) in descending order. I
22#
發(fā)表于 2025-3-25 07:54:12 | 只看該作者
Differentialgeometrie und homogene R?umeas undertaken during research cruises of HMNZS . and R/V . during 1986–87. Four large seamounts were located and mapped by a variety of shipboard recording systems including 12-kHz and 3.5-kHz echo sounders, seismic, gravity, magnetics, and SeaMARC II..Of the three seamounts located in the southern
23#
發(fā)表于 2025-3-25 14:04:48 | 只看該作者
24#
發(fā)表于 2025-3-25 15:59:56 | 只看該作者
25#
發(fā)表于 2025-3-25 20:41:57 | 只看該作者
Differentialgeometrie von Kurven und Fl?chenual, particularly when compared with the Hawaiian chain, because the islands are volcanically active on both the eastern and western ends of the chain, the islands are larger westward, the easternmost edifice is an atoll not an active seamount, and the chain consists dominantly of alkali rather than
26#
發(fā)表于 2025-3-26 03:57:18 | 只看該作者
Differentialgeometrie, Topologie und Physikp to topography and the occurrence of deep-sea manganese nodules. The results of core studies and of detailed examination of two selected areas in the Central Pacific Basin led to the following conclusions..(1) Hiatuses of Neogene through Quaternary age occur widely in the Central Pacific Basin. A c
27#
發(fā)表于 2025-3-26 04:27:13 | 只看該作者
https://doi.org/10.1007/978-1-4684-7362-9400 bottom samplings, 900 sea-bed photographs, 1000 chemical analyses, and 800 mineral analyses, together with relevant seismic profiling and sediment stratigraphy obtained during a 10-year research program of the Geological Survey of Japan. The manganese nodules of this area are formed through two
28#
發(fā)表于 2025-3-26 12:10:30 | 只看該作者
Einzel-Differentialgleichungen, report the geochemistry and mineralogy of ferromanganese crusts and seamount nodules only. Samples were collected from flanks, gentle slopes, and nearly flat summits; nodules were absent from the steeper slopes. Cobalt, the metal of highest commercial interest, ranges between 0.19% and 1.90% by wei
29#
發(fā)表于 2025-3-26 16:30:33 | 只看該作者
30#
發(fā)表于 2025-3-26 17:49:46 | 只看該作者
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