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Electrical and thermal investigations of rocks and minerals under extremep,T-conditions

  • Mechanical and Electrical Properties
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Summary

For the discussion of the physico-chemical state and the phase transitions in the earth interior it is necessary to compare the results of geophysical field measurements with geophysical solid state investigations in the laboratory under extremep,T-conditions. In correspondence with the theoretical studies about the behaviour of the materials in the deep earth we investigated two groups of materials: (I) different types of rocks with reference to their elastic and thermal behaviour under extreme conditions, (II) simple compounds of elements which belong possibly to the representatives of the deep mantle and the earth interior. The method for measurement of the thermal diffusivity and the influence of anisotropy on the propagation of elastic waves in different rocks is described. The results of the dependence of the electric resistivity on pressure and temperature on synthetic and natural chalkogenides of the 3d-transition metals are discussed.

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Authors and Affiliations

  1. Central Earth Physics Institute, Academy of Sciences, 15, Potsdam, Telegrafenberg, GDR

    R. Wäsch

Authors
  1. H. Stiller
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  2. H. Vollstädt
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  3. U. Seipold
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  4. R. Wäsch
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Additional information

Publication No. 474 of the Central Earth Physics Institute, Academy of Sciences, 15 Potsdam, Telegrafenberg, GDR.

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Stiller, H., Vollstädt, H., Seipold, U. et al. Electrical and thermal investigations of rocks and minerals under extremep,T-conditions. PAGEOPH 114, 263–272 (1976). https://doi.org/10.1007/BF00878950

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  • DOI: https://doi.org/10.1007/BF00878950

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