ESR dating of barite in sulphide deposits formed by the sea-floor hydrothermal activities

Shin Toyoda, Taisei Fujiwara, Ai Uchida, Jun Ichiro Ishibashi, Shun'ichi Nakai, Asako Takamasa

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4 Citations (Scopus)

Abstract

Barite is a mineral newly found to be practically useful for electron spin resonance (ESR) dating of sulphide deposits formed by the sea-floor hydrothermal activities. The recent studies for the properties of the ESR dating signal in barite are summarised in the present paper as well as the formulas for corrections for accurate dose-rate estimation are developed including the dose-rate conversion factors, shape correction for gamma-ray dose and decay of 226Ra. Although development of the techniques for ESR dating of barite has been completed, further comparative studies with other dating techniques such as U-Th and 226Ra-210Pb dating are necessary for the technique to be widely used.

Original languageEnglish
Article numberncu136
Pages (from-to)203-211
Number of pages9
JournalRadiation Protection Dosimetry
Volume159
Issue number1-4
DOIs
Publication statusPublished - Jun 2014

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All Science Journal Classification (ASJC) codes

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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