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  • Rights: Geotrack International Pty Limited, Melbourne. Published 11 May 2011, Updated 1 February 2022 Size: 260 KB Referencing Hub media

    Fission tracks in the mineral apatite, viewed through a microscope. The surface of the apatite crystal has been polished and etched to help show up the fission tracks. Fission tracks in zircon from volcanic ash look similar.

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