A
B
290 Resources from the Ocean Roor
a
1----1
lcm
b
Fig. 10.10 a, b. Manganese nodules. a View (- 10 m 2 ) of nodule-covered deep sea fioor, central
trropical Pacific (Photo Metallgesellschaft Frankfurt). b Manganese nodules recovered on Challenger stations in the Central Pacific . a Nodule with upper smooth and lower uneve n surface (Station
274 5000 m); h Sliced section (parallel to the sea bottom) showing internal layering and nuclei
(Station 254, 5700 m). [1. MUITay, A. F. Renard , 1891. Report on deep-sea deposits. H. M. S.
Challenger. 1873-1876. Reprinted 1965 by Johnson Reprint. London]
B
290 Resources from the Ocean Roor
a
1----1
lcm
b
Fig. 10.10 a, b. Manganese nodules. a View (- 10 m 2 ) of nodule-covered deep sea fioor, central
trropical Pacific (Photo Metallgesellschaft Frankfurt). b Manganese nodules recovered on Challenger stations in the Central Pacific . a Nodule with upper smooth and lower uneve n surface (Station
274 5000 m); h Sliced section (parallel to the sea bottom) showing internal layering and nuclei
(Station 254, 5700 m). [1. MUITay, A. F. Renard , 1891. Report on deep-sea deposits. H. M. S.
Challenger. 1873-1876. Reprinted 1965 by Johnson Reprint. London]