Integrated study of the thermoluminescence, noble gases, tracks, and radionuclides in the fresh-fallen Ash Creek L6 and Tamdakht H5 chondrites

Thermoluminescence, noble gases, and the tracks of iron-group elements and cosmogenic radionuclides of various half-lives were examined in the fresh-fallen Ash Creek (L6) and Tamdakht (H5) chondrites. The experimental information thus obtained and theoretical simulations were used to study the shock...

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Published inGeochemistry international Vol. 50; no. 2; pp. 105 - 124
Main Authors Alexeev, V. A., Gorin, V. D., Ivliev, A. I., Kashkarov, L. L., Ott, U., Sadilenko, D. A., Ustinova, G. K.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.02.2012
Springer Nature B.V
Subjects
Cosmic rays
Creeks
Earth and Environmental Science
Earth Sciences
Geochemistry
Luminescence
Meteors & meteorites
Radioisotopes
Thermoluminescence
meteorites
preatmospheric sizes
orbits
cosmic-ray exposure age
thermoluminescence
cosmogenic nuclides
galactic cosmic rays
tracks
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Summary:Thermoluminescence, noble gases, and the tracks of iron-group elements and cosmogenic radionuclides of various half-lives were examined in the fresh-fallen Ash Creek (L6) and Tamdakht (H5) chondrites. The experimental information thus obtained and theoretical simulations were used to study the shock-thermal and exposure histories of the chondrites, to evaluate their preatmospheric sizes and masses, values of ablation, the sizes of their orbits, and to monitor the distribution and variations in cosmic radiation in the heliosphere during the transitional period of minimum between solar cycles 23 and 24.
ISSN:0016-7029
1556-1968
DOI:10.1134/S0016702912020024