Abstract
The relative concentration of oxygen vacancies in granitic quartz was estimated using the ESR signal intensity of E’ centers (an electron at an oxygen vacancy) after y ray irradiation and subsequent heating at 30O°C. The E’ intensity indicative of total oxygen vacancies in granitic quartz is correlated with total absorbed dose from β and y rays for the geological ages ranging from 12 to 1700 Ma. The amount of oxygen vacancies in natural quartz created by β and y rays may be comparable in the absorb-ed dose range of 104 to 107 Gy to the amount by α-recoil effect. © 1992, GEOCHEMICAL SOCIETY OF JAPAN. All rights reserved.
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Toyoda, S., Ikeya, M., Mor1kawa, J., & Nagatomo, T. (1992). Enhancement of Oxygen Vacancies in Quartz by Natural External β and γ Ray Dose: A Possible Esr Geochronometer of Ma-ga Range. Geochemical Journal, 26(3), 111–115. https://doi.org/10.2343/geochemj.26.111
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