Fission track age of Stibiotantalite from Alto Ligonha,Mozambique |
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| Authors: | Dr Udo Haack |
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| Institution: | (1) Department of Earth Science, Washington University, 63130 St. Louis, Missouri;(2) Geochemisches Institut der Universität, Lotzestr. 16/18, D-3400 Göttingen |
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| Abstract: | Fossil fission tracks in a stibiotantalite were revealed by etching and used for fission track dating. The fission track age of this specimen (2.3·108 yr.) is much lower than Pb/Pb and Rb/Sr ages of other minerals from the same area. The explanation for this discrepancy could be the only moderate track retentivity of stibiotantalite which is similiar to muscovite. |
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