A Comparative Study of the Geochemistry of Zinc and Cadmium in the Skaergaard Intrusion

Authors

  • C. B. Dissanayake
     Department of Geology, University of Sri Lanka, Peradeniya

Abstract

Being group lIb elements, both Zn and Cd show similar chemical properties. The chemical analysis of a suite of rocks and separated minerals from the Skaergaard intrusion, East Greenland has enabled a detailed comparison to be made of the geochemistry of Zn with that of Cd.

Both Zn and Cd show an affinity for ferromagnesian minerals, A study of their mode of entry into structural sites however, points to the fact that while Zn shows a definite preference for Fe2+ sites in all the minerals studied, Cd shows a lesser tendency to substitute for the Fe2+ sites, except in the case of pyroxene. While Zn shows a very weak tendency to substitute for Ca2+ sites, Cd displays a much stronger affinity for the Ca2+ sites.

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Issue

Volume 17, Issue 4, December 1976

Section

Research Papers

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Published

1976-12-01

How to Cite

Dissanayake, C. B. (1976). A Comparative Study of the Geochemistry of Zinc and Cadmium in the Skaergaard Intrusion. Journal of Geological Society of India, 17(4), 503–513. Retrieved from https://geosocindia.com/index.php/jgsi/article/view/63894

References

BROOKS, R. R. and AHRENS, L. H., (1961) Some observations on the distribution of thallium, cadmium and bismuth in silicate rocks and the significance of covalency on their degree of association with other elements. Geochim. Cosmochim. Acta., v, 23, PP. 100-115.

BROWN, G. M., (1957) Pyroxenes from the early and middle stages of fractionation of the Skaergaard Intrusion, East Greenland, Min. Mag., v. 31, pp. 511-543.

DISSANAYAKE, C. B., (1973) The geochemical distribution of zinc. cadmium, mercury and bismuth in the Skaergaard Intrusion, East Greenland, unpublished D. Phil thesis, Univ, of Oxford.

DISSANAYAKE, C. B. and VINCENT, E. A., (1972) Zinc in rocks and minerals from the Skaergaard Intrusion, East Greenland, Chem, Geol., v. 9, pp. 285-297.

GOLDSCHMIDT, V. M., (1954) Geochemistry, Oxford University Press, London, p. 720.

HENDERSON, P., (1968) The distribution ofphosphorous in the early and middle stages of fractionation of some basic layered intrusions, Geochim. Cosmochim. Acta., v. 32, PP. 897-911.

HESS, H. H., (1939) Extreme fractional crystallization of a basaltic magma; the Stillwater igneous complex. Trans. Amer, Geophys, Union, Pt. 3, pp. 430-432.

NEUMANN, H., (1949) Notes on the mineralogy and geochemistry of zinc. Min. Mag., v, 28, pp. 575-581.

SANDELL, E. B. and GOLDICH, S. S., (1943) The rarer metallic constituents of some American igneous rocks. Jour. Geol., v. 51, pp. 99-115, 167-189.

TAYLOR, S. R., (1965) The application of trace element data to problems in petrology. III Physics and Chemistry of the Earth., v. 6, pp. 133-214.

VINCENT, E. A. and BILEFIELD, L. T., (1960) Cadmium in rocks and minerals from the Skaergaard Intrusion, East Greenland. Geochim. Cosmochim. Acta., v. 19, pp. 63-69.

WAGER, L. R. and BROWN, G. M., (1968) Layered Igneous Rocks. Oliver and Boyd, Edinburgh and London, p. 588.

WAGER, L. R., BROWN, G. M., and WADSWORTH, W. J., (1960) Types of igneous cumulates, Jour. Petrol., v. 1, pp. 73-85.

WHITTAKER, E. J. W., (1967) Factors affecting element ratios in the crystallization of minerals. Geochim. Cosmochim. Acta., v. 31, pp. 2275-2288.

WHITTAKER, E. J. W. and MUNTUS, R., (1970) Ionic Radii for use in geochemistry. Geochim. Cosmochim. Acta., v. 34, pp, 945-956.