<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The grain size influence on the number of oxygen vacancies in quartz was investigated by ESR in atmospheric deposition collected at two Japanese cities, Fukuoka and Akita, in 1969 and 1971. The finer grain size fraction shows the highest value of concentration of oxygen vacancies, most closely resembling dust originating in the Taklamakan desert. Month to month and year to year variation of the dependence was also observed which could possibly be attributed to the variation of the mixture ratio of at least two dust sources in China, A conclusive statement can not be made at this stage.</p></abstract>

The grain size influence on the number of oxygen vacancies in quartz was investigated by ESR in atmospheric deposition collected at two Japanese cities, Fukuoka and Akita, in 1969 and 1971. The finer grain size fraction shows the highest value of concentration of oxygen vacancies, most closely resembling dust originating in the Taklamakan desert. Month to month and year to year variation of the dependence was also observed which could possibly be attributed to the variation of the mixture ratio of at least two dust sources in China, A conclusive statement can not be made at this stage.

The Grain Size Influence on the E1' Centre Observed in Quartz of Atmospheric Deposition at Two Japanese Cities: A Preliminary Study

Japan Agency for Marine-Earth Science and Technology, Japan

Geochronometria

The grain size influence on the number of oxygen vacancies in quartz was investigated by ESR in atmospheric deposition collected at two Japanese cities,...

The Grain Size Influence on the E1' Centre Observed in Quartz of Atmospheric Deposition at Two Japanese Cities: A Preliminary Study

Pubblicato online: 05 gen 2011

Pagine: 9 - 12

DOI: https://doi.org/10.2478/v10003-010-0024-2

Parole chiave
ESR, E'center, Atomospheric deposition, quartz

This content is open access.

The Grain Size Influence on the E1' Centre Observed in Quartz of Atmospheric Deposition at Two Japanese Cities: A Preliminary Study

Pubblicato online: 05 gen 2011

Pagine: 9 - 12

DOI: https://doi.org/10.2478/v10003-010-0024-2

Parole chiaveESR, E'center, Atomospheric deposition, quartz

This content is open access.

Parole chiave
ESR, E'center, Atomospheric deposition, quartz