PRELIMINARY RESEARCH ON EFFECT OF POWER SATURATION OF QUARTZ IN SEDIMENTS FOR ESR DATING

Chinese Journal of Magnetic Resonance ›› 1993, Vol. 10 ›› Issue (3): 315-322.

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PRELIMINARY RESEARCH ON EFFECT OF POWER SATURATION OF QUARTZ IN SEDIMENTS FOR ESR DATING

Ye Yuguang¹, He die¹, Diao Shaobo¹, Gao Juncheng²

1. Institute of Marine Geology, Ministry of Geology and Mineral Resources, Qingdao 266071;
2. National Institute of Metrology, Beijing 100013

Received:1992-07-06 Revised:1992-09-03 Published:1993-09-05 Online:2018-01-20

Abstract

Abstract: Some basic ESR experiments on effect of power saturation of quartz in sediments were introduced. Experimental results suggest that the selection of microwave power, which directly affects the evalation of accumulated dose (AD) and seriously affects the result of ESR dating, is an important parameter. In some special geological conditions, e. g. loess and marine sediments, the reliable ESR ages can be obtained from E' centres of quartz in older sediments (>500ka) by using a higher microwave power.

Key words: ESR, Microwave power, Accumulated dose

Ye Yuguang, He die, Diao Shaobo, Gao Juncheng. PRELIMINARY RESEARCH ON EFFECT OF POWER SATURATION OF QUARTZ IN SEDIMENTS FOR ESR DATING[J]. Chinese Journal of Magnetic Resonance, 1993, 10(3): 315-322.

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PRELIMINARY RESEARCH ON EFFECT OF POWER SATURATION OF QUARTZ IN SEDIMENTS FOR ESR DATING

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