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Mesure des âges géologiques par les halos pléochroïques

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Summary

In this preliminary work, the possibility of dating crystalline rocks by pleochroic haloes has been studied.

Halo-microphotometry has been combined with measurement of the alpha-activity of the inclusions by the photographic method.

Standard thin sections of well dated granites have been used for calibration purposes. The reciprocity law is shown to be valid within the limit of error. The resolving power of this method depends essentially on the age ratio. Tertiary and primary rocks are easily separated.

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Authors and Affiliations

  1. Laboratoire de Physique Nucléaire, Faculté des Sciences Appliquées, Université Libre de Bruxelles, Belgium

    Sarah Deutsch, D. Hirschberg & E. Picciotto

Authors
  1. Sarah Deutsch
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  2. D. Hirschberg
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  3. E. Picciotto
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Deutsch, S., Hirschberg, D. & Picciotto, E. Mesure des âges géologiques par les halos pléochroïques. Experientia 11, 172–174 (1955). https://doi.org/10.1007/BF02161298

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  • DOI: https://doi.org/10.1007/BF02161298

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