• Fission track annealing and age determination of hornblende

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    • Keywords


      Fission track annealing; age determination; hornblende

    • Abstract


      Hornblende which occurs in igneous and metamorphic rocks is well suited for age determination by the fission track method. The tracks which are readily etched in hydrofluoric acid are annealed in 1 hr at 530° C. Extrapolation of the experimentally determined temperatures suggest that a temperature of 200° C for one m.y. will erase all the tracks present before the heating. Fission track ages of hornblende agree with the main orogenic metamorphic cycles.

    • Author Affiliations


      Nand Lal1 Arjun Dev1 K K Nagpaul1

      1. Department of Physics, Kurukshetra University, Kurukshetra - 132119
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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