Etching Fission Tracks in Zircons

Science  25 Jul 1969:
Vol. 165, Issue 3891, pp. 388
DOI: 10.1126/science.165.3891.388


A new technique has been developed whereby fission tracks can be etched in zircon with a solution of sodiuim hydroxide at 220°C. Etching time varied between 15 minutes and 5 houtrs. Colored zircon required less etching time than the colorless varieties.