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The domain structure of a transitional anorthite; a study by direct lattice-resolution electron microscopy

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Abstract

Direct resolution of lattice planes corresponding to a-, b- and c-reflections in a transitional anorthite has shown that the material consists of domains of body-centered anorthite (I-An) and primitive anorthite (P-An) in approximately equal proportions. The domains of P-An appear lenticular in shape. Their thickness and orientation readily account for the observed streaking of the c- and d-reflections. Adjacent domains of P-An (separated by a domain of I-An) are observed to be either in register or in antiphase relation, the fault vector being the body-centering vector.

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References

  • Amelinckx, S.: The direct observation of dislocations. Solid State Phys., Suppl. 6. New York: Academic Press 1964.

    Google Scholar 

  • Barber, D. J.: Thin foils of non-metals made for electron microscopy by Sputter-etching. J. Mat. Sci. 5, 1–8 (1970).

    Google Scholar 

  • Deer, W.A., Howie, R. A., Zussman, J.: Rock-forming minerals, vol. 4. London: Longmans 1963.

    Google Scholar 

  • Gillespie, P., McLaren, A. C., Boland, J. N.: Operating characteristics of an ion-bombardment apparatus for thinning non-metals for transmission electron microscopy. J. Mat. Sci. 6, 87–89 (1971).

    Google Scholar 

  • Heuer, A. H., Firestone, R. F., Snow, J. D., Green, H. W., Howe, R. G., Christie, J. M.: An improved ion-thinning apparatus. Rev. Sci. Instr. 42, 1177–1184 (1971).

    Google Scholar 

  • Heuer, A. H., Lally, J. S., Christie, J. M., Radcliffe, S. V.: Phase transformations and exsolution in lunar and terrestrial calcic plagioclases. Phil. Mag. 26, 465–482 (1972).

    Google Scholar 

  • Laves, F., Czank, M., Schulz, H.: The temperature dependence of the reflection intensities of anorthite (CaAl2Si2O8) and the corresponding formation of domains. Schweiz. Mineral. Petrog. Mitt. 50, 519–525 (1970).

    Google Scholar 

  • McLaren, A. C.: Transmission electron microscopy of the feldspars. NATO Advanced Study Institute on Feldspars, July 1972. Manchester University Press 1973.

  • Müller, W. F., Wenk, H. R., Thomas, G.: Structural variations in anorthites. Contr. Mineral. and Petrol. 34, 304–314 (1972).

    Google Scholar 

  • Smith, J. V., Ribbe, P. H.: Atomic movements in plagioclase feldspars. Contr. Mineral. and Petrol. 21, 157–202 (1969).

    Google Scholar 

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  1. Department of Physics, Monash University, Clayton, Victoria, Australia

    A. C. McLaren

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  1. A. C. McLaren
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McLaren, A.C. The domain structure of a transitional anorthite; a study by direct lattice-resolution electron microscopy. Contr. Mineral. and Petrol. 41, 47–52 (1973). https://doi.org/10.1007/BF00377651

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  • DOI: https://doi.org/10.1007/BF00377651

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