Hostname: page-component-586b7cd67f-gb8f7 Total loading time: 0 Render date: 2024-11-29T18:17:41.419Z Has data issue: false hasContentIssue false
  • English
  • Français

A hydrothermal deposit from the floor of the Gulf of Aden

Published online by Cambridge University Press:  05 July 2018

J. R. Cann ,
C. K. Winter  and
R. G. Pritchard
J. R. Cann
Affiliation:
School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ
C. K. Winter
Affiliation:
School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ
R. G. Pritchard
Affiliation:
School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ
Get access Rights & Permissions [Opens in a new window]

Summary

Fragments of a hydrothermal deposit, partly moulded on pieces of basalt lava, were dredged from the edge of the median valley in the centre of the Gulf of Aden. The deposit consists of two main components, manganese oxide in the form of spongy brown to hard black lumps and coatings, and friable green massive smectite. There are smaller amounts of an iron-oxide component, and mixed manganese-oxide-smectite material. Contents of the less mobile trace elements in the smectite are too low for it to have formed by alteration of basalt glass, and it is interpreted as a direct precipitate from hydrothermal solution. None of the components is enriched in Cu or Zn, or contains appreciable amounts of sulphur. If there are sulphides in this deposit, they must lie beneath the parts sampled.

Type
Research Article
Information
Mineralogical Magazine , Volume 41 , Issue 318 , June 1977 , pp. 193 - 199
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1977

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Footnotes

1

Present address: Dept. of Geology, The University, Newcastle-upon-Tyne, NE1 7RU.

References

Arcyana, 1975. Science, 190, 108.Google Scholar
Bonatti, (E.), 1975. Ann. Rev. Earth Planet Sci. 3, 401.CrossRefGoogle Scholar
Bonatti, (E.), Fisher, (D. E.), Joensuu, (O.), Rydell, (H. S.), and Beyth, (M.), 1972. Econ. Geol. 67, 717.CrossRefGoogle Scholar
Bonatti, (E.), Fisher, (D. E.) and Joensuu, (O.), 1966. Science, 154, 643.CrossRefGoogle Scholar
Cann, (J. R.), 1970. . Deep Sea Res. 17, 477.Google Scholar
Cann, (J. R.), 1970. . Earth Planet Sci. Lett. 10, 7.CrossRefGoogle Scholar
Constantinou, (G.) and Govett, (G. J. S.), 1973. Econ. Geol. 68, 843.CrossRefGoogle Scholar
Degens, (E. T.) and Ross, (D. A.), 1969. Hot brines and recent heavy metal deposits in the Red Sea, New York. (Springer).CrossRefGoogle Scholar
Glasby, (G. P.), Tooms, (J. S.), and Cann, (J. R.), 1971. Deep Sea Res. 18, 1179.Google Scholar
Hajash, (A.), 1975. Contrib. Mineral. Petrol. 53, 205.CrossRefGoogle Scholar
Ku, (T-L.) and Broecker, (W. S.), 1969. Deep Sea Res. 16, 625.Google Scholar
Laughton, (A. S.), Whitmarsh, (R. B.), and Jones, (M. T.), 1970. Phil. Trans. R. Soc. A267, 227.Google Scholar
Lister, (C. R. B.), 1972. Geophys. J.R. astr. Soc. 25, 515.Google Scholar
Scott, (R. B.), Rona, (P. A.), McGregor, (B. A.), and Scott, (M. R.), 1974. Nature, 251, 301.Google Scholar
Scott, (M. R.), Scott, (R. B.), Rona, (P. A.), Butler, (L. W.), and Nalwalk, (A. J.), 1974. Geophys. Res. Lett. 1, 355.CrossRefGoogle Scholar
Searle, (D. L.), 1972. Trans. Inst. Mining Met. 81, B189.Google Scholar
Spooner, (E. T. C.) and Bray, (C. J.), 1977. Nature, 266, 808–12.CrossRefGoogle Scholar
Spooner, (E. T. C.) and Fyfe, (W. S.), 1973. Contrib. Mineral. Petrol. 42, 287.CrossRefGoogle Scholar
Tovey, (N. K.), 1971. Cambridge Engineering Dept. Tech. Rep. CUED-Soils-TRSA.Google Scholar
Weaver, (C. E.), Wampler, (J. M.), and Pecuil, (T. C), 1967. Science, 156, 504.CrossRefGoogle Scholar
Williams, (D. L.), von Herzen, (R. P.), Sclater, (J. G.), and Anderson, (R. N.), 1974. Geophys. J.R. astr. Soc. 38, 587.CrossRefGoogle Scholar
Wolery, (T. J.) and Sleep, (N. H.), 1976. J. Geol. 84, 249.CrossRefGoogle Scholar