• DOI:10.3769/RADIOISOTOPES.19.4_194
Corpus ID: 95787615

The Determination of Uranium Content of Standard Rocks by Fission-Track Registration in Muscovite

@article{Nishimura1970TheDO,
  title={The Determination of Uranium Content of Standard Rocks by Fission-Track Registration in Muscovite},
  author={S. Nishimura},
  journal={Radioisotopes},
  year={1970},
  volume={19},
  pages={194-196}
}

• S. Nishimura
• Published 1970
• Geology
• Radioisotopes

Uranium contents in the six U.S. Geological Survey standard rocks together with JG-1 and JB-1, issued by the Geological Survey of Japan, have been analyzed by the technique of fission-track activation using a thin muscovite film placed over the sample to detect tracks from it. With a thin section of a rock sample, it is often observed that uranium distribution is not uniform as supposed from the pattern of fission-tracks registered in polycarbonate by thermal neutron induced fission of uranium… Expand

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